Month Number 1972-01-01 19485.83592085240 1972-02-01 22209.50666666670 1972-03-01 21825.58499238960 1972-04-01 19587.24919330290 1972-05-01 20333.36112633180 1972-06-01 22658.62258751900 1972-07-01 20883.89031963470 1972-08-01 16581.07004566210 1972-09-01 21383.71287671230 1972-10-01 15929.12757990870 1972-11-01 25998.01677321160 1972-12-01 31235.28791476410 1973-01-01 20673.81996955860 1973-02-01 22296.43232876710 1973-03-01 22933.88718417050 1973-04-01 26171.86809741250 1973-05-01 25527.16943683410 1973-06-01 36400.12100456620 1973-07-01 24585.47476407910 1973-08-01 20710.03899543380 1973-09-01 25606.85129375950 1973-10-01 24302.96636225270 1973-11-01 26439.88888888890 1973-12-01 21630.00225266360 1974-01-01 24578.23095890410 1974-02-01 23303.32124809740 1974-03-01 21825.58499238960 1974-04-01 23397.49071537290 1974-05-01 24527.52432267880 1974-06-01 25831.40925418570 1974-07-01 21079.47305936070 1974-08-01 17138.84304414000 1974-09-01 27417.80258751900 1974-10-01 24549.25573820400 1974-11-01 22665.86639269410 1974-12-01 19290.25318112630 1975-01-01 22231.23808219180 1975-02-01 22086.36197869100 1975-03-01 18073.29391171990 1975-04-01 28084.23266362250 1975-05-01 25440.24377473360 1975-06-01 20384.06776255710 1975-07-01 20739.01421613390 1975-08-01 16399.97491628610 1975-09-01 24983.88404870620 1975-10-01 24628.93759512940 1975-11-01 20326.11732115680 1975-12-01 17109.86782343990 1976-01-01 20623.11333333330 1976-02-01 17892.19878234400 1976-03-01 17530.00852359210 1976-04-01 18370.28992389650 1976-05-01 20145.02219178080 1976-06-01 21130.17969558600 1976-07-01 18420.99656012180 1976-08-01 12691.14666666670 1976-09-01 19362.69123287670 1976-10-01 27367.09595129380 1976-11-01 19420.64167427700 1976-12-01 26222.57473363770 1977-01-01 18167.46337899540 1977-02-01 19804.56334855400 1977-03-01 19377.17884322680 1977-04-01 16276.83022831050 1977-05-01 19746.61290715370 1977-06-01 19065.69522070020 1977-07-01 18826.64964992390 1977-08-01 14103.68867579910 1977-09-01 21166.39872146120 1977-10-01 19246.79035007610 1977-11-01 17587.95896499240 1977-12-01 19225.05893455100 1978-01-01 21130.17969558600 1978-02-01 21818.34118721460 1978-03-01 18725.23637747340 1978-04-01 18986.01336377470 1978-05-01 16740.43375951290 1978-06-01 18819.40584474890 1978-07-01 17725.59126331810 1978-08-01 13067.82453576860 1978-09-01 16870.82225266360 1978-10-01 18116.75674277020 1978-11-01 27468.50922374430 1978-12-01 18319.58328767120 1979-01-01 14321.00283105020 1979-02-01 13719.76700152210 1979-03-01 13784.96124809740 1979-04-01 14132.66389649920 1979-05-01 14994.67671232880 1979-06-01 14263.05238964990 1979-07-01 14603.51123287670 1979-08-01 11401.74934550990 1979-09-01 15965.34660578390 1979-10-01 15277.18511415520 1979-11-01 14494.85415525110 1979-12-01 14733.89972602740 1980-01-01 12274.62786910200 1980-02-01 14600.61371080670 1980-03-01 16575.27500152210 1980-04-01 17733.55944901070 1980-05-01 17782.81732420090 1980-06-01 17619.10732724510 1980-07-01 18080.53771689500 1980-08-01 7960.21750684932 1980-09-01 16612.21840791480 1980-10-01 19114.22871537290 1980-11-01 16385.48730593610 1980-12-01 12607.11852663620 1981-01-01 13147.50639269410 1981-02-01 16139.19792998480 1981-03-01 16798.38420091320 1981-04-01 12647.68383561640 1981-05-01 17609.69038051750 1981-06-01 16928.77269406390 1981-07-01 15856.68952815830 1981-08-01 8460.76444444444 1981-09-01 18022.58727549470 1981-10-01 15748.03245053270 1981-11-01 16552.09482496190 1981-12-01 13198.21302891930 1982-01-01 11887.08429223740 1982-02-01 14893.26343987820 1982-03-01 14183.37053272450 1982-04-01 11727.72057838660 1982-05-01 13966.05637747340 1982-06-01 12611.46480974120 1982-07-01 11452.45598173520 1982-08-01 9018.53744292237 1982-09-01 15385.84219178080 1982-10-01 13372.06435312020 1982-11-01 12879.48560121770 1982-12-01 23469.92876712330 1983-01-01 13799.44885844750 1983-02-01 12502.80773211570 1983-03-01 14422.41610350080 1983-04-01 16153.68554033490 1983-05-01 13495.20904109590 1983-06-01 13922.59354642310 1983-07-01 11249.62943683410 1983-08-01 9373.48389649924 1983-09-01 11800.15863013700 1983-10-01 14987.43290715370 1983-11-01 13922.59354642310 1983-12-01 23520.63540334860 1984-01-01 11271.36085235920 1984-02-01 12017.47278538810 1984-03-01 12191.32410958900 1984-04-01 11314.82368340940 1984-05-01 12104.39844748860 1984-06-01 10445.56706240490 1984-07-01 9380.72770167428 1984-08-01 8627.37196347032 1984-09-01 8721.54143074581 1984-10-01 11408.99315068490 1984-11-01 11336.55509893460 1984-12-01 27555.43488584470 1985-01-01 12338.37335464230 1985-02-01 10009.48999086760 1985-03-01 11288.74598477930 1985-04-01 10308.65914459670 1985-05-01 13011.32285540330 1985-06-01 23729.25699238960 1985-07-01 12266.65968340940 1985-08-01 10236.94547336380 1985-09-01 13409.73214003040 1985-10-01 15190.25945205480 1985-11-01 13451.02182952820 1985-12-01 15777.00767123290 1986-01-01 9357.54752511416 1986-02-01 10862.08585996960 1986-03-01 12384.00932724510 1986-04-01 13022.18856316590 1986-05-01 15214.88838964990 1986-06-01 14748.38733637750 1986-07-01 14201.48004566210 1986-08-01 10368.78272754950 1986-09-01 11949.38101674280 1986-10-01 15391.63723592090 1986-11-01 15328.61613089800 1986-12-01 12647.68383561640 1987-01-01 12593.35529680370 1987-02-01 13293.83125722980 1987-03-01 16129.05660273970 1987-04-01 13495.93342161340 1987-05-01 16192.80208828010 1987-06-01 15716.88408828010 1987-07-01 18563.69952207000 1987-08-01 12696.21733028920 1987-09-01 16777.37716590560 1987-10-01 16044.30408219180 1987-11-01 15721.95475190260 1987-12-01 14681.01994824960 1988-01-01 13677.75293150680 1988-02-01 16031.26523287670 1988-03-01 15733.54484018260 1988-04-01 15124.34082496190 1988-05-01 17416.28078234400 1988-06-01 12836.02277016740 1988-07-01 15226.47847793000 1988-08-01 16500.66380821920 1988-09-01 18093.57656621000 1988-10-01 18794.77690715370 1988-11-01 16097.18385996960 1988-12-01 20513.73187519030 1989-01-01 16386.21168645360 1989-02-01 17176.51083105020 1989-03-01 17264.16087366820 1989-04-01 19943.64440791480 1989-05-01 16926.59955251140 1989-06-01 16912.83632267880 1989-07-01 18357.97545509890 1989-08-01 15389.46409436830 1989-09-01 16934.56773820400 1989-10-01 21641.59234094370 1989-11-01 13840.73854794520 1989-12-01 15948.68585388130 1990-01-01 13717.59385996960 1990-02-01 16585.41632876710 1990-03-01 14986.70852663620 1990-04-01 11866.07725722980 1990-05-01 14179.74863013700 1990-06-01 15223.58095586000 1990-07-01 13435.80983866060 1990-08-01 13310.49200913240 1990-09-01 15611.84891324200 1990-10-01 20379.72147945210 1990-11-01 11661.07757077630 1990-12-01 12452.10109589040 1991-01-01 11687.15526940640 1991-02-01 11563.28620091320 1991-03-01 11481.43120243530 1991-04-01 13695.86244444440 1991-05-01 12535.40485540330 1991-06-01 11743.65694977170 1991-07-01 14789.67702587520 1991-08-01 12265.93530289190 1991-09-01 12908.46082191780 1991-10-01 14918.61675799090 1991-11-01 9202.53009436834 1991-12-01 10877.29785083710 1992-01-01 10352.12197564690 1992-02-01 10793.26971080670 1992-03-01 11906.64256621000 1992-04-01 10567.98736986300 1992-05-01 12491.94202435310 1992-06-01 12949.02613089800 1992-07-01 13264.85603652970 1992-08-01 10780.23086149160 1992-09-01 12468.76184779300 1992-10-01 18066.77448706240 1992-11-01 10442.66954033490 1992-12-01 18413.02837442920 1993-01-01 9809.56096803653 1993-02-01 8652.00090106545 1993-03-01 11762.49084322680 1993-04-01 10283.30582648400 1993-05-01 12221.74809132420 1993-06-01 11700.19411872150 1993-07-01 10799.78913546420 1993-08-01 11225.72487975650 1993-09-01 12307.22499238960 1993-10-01 16165.27562861490 1993-11-01 10821.52055098930 1993-12-01 16979.47933028920 1994-01-01 11943.58597260270 1994-02-01 11112.72151902590 1994-03-01 13532.15244748860 1994-04-01 11594.43456316590 1994-05-01 13856.67491933030 1994-06-01 14981.63786301370 1994-07-01 12555.68750989350 1994-08-01 13358.30112328770 1994-09-01 17193.17158295280 1994-10-01 18473.87633789950 1994-11-01 12383.28494672760 1994-12-01 19180.14734246580 1995-01-01 15574.18112633180 1995-02-01 16414.46252663620 1995-03-01 19724.88149162860 1995-04-01 14038.49442922370 1995-05-01 18283.36426179600 1995-06-01 22419.57701674280 1995-07-01 17218.52490106540 1995-08-01 19746.61290715370 1995-09-01 20528.94386605780 1995-10-01 24237.77211567730 1995-11-01 13422.77098934550 1995-12-01 17551.73993911720 1996-01-01 15972.59041095890 1996-02-01 14900.50724505330 1996-03-01 16139.19792998480 1996-04-01 17906.68639269410 1996-05-01 17189.54968036530 1996-06-01 17015.69835616440 1996-07-01 17863.22356164380 1996-08-01 17602.44657534250 1996-09-01 19116.40185692540 1996-10-01 23897.31327245050 1996-11-01 14712.16831050230 1996-12-01 15653.86298325720 1997-01-01 19014.98858447490 1997-02-01 16689.72712328770 1997-03-01 13944.32496194820 1997-04-01 19942.19564687980 1997-05-01 19724.88149162860 1997-06-01 18319.58328767120 1997-07-01 23556.85442922370 1997-08-01 16573.82624048710 1997-09-01 21651.73366818870 1997-10-01 30134.22952815830 1997-11-01 15001.92051750380 1997-12-01 19246.79035007610 1998-01-01 23484.41637747340 1998-02-01 22484.77126331810 1998-03-01 26860.02958904110 1998-04-01 16443.43774733640 1998-05-01 21130.17969558600 1998-06-01 24259.50353120240 1998-07-01 24194.30928462710 1998-08-01 24281.23494672760 1998-09-01 29192.53485540340 1998-10-01 39717.78377473360 1998-11-01 18616.57929984780 1998-12-01 24310.21016742770 1999-01-01 31242.53171993910 1999-02-01 28620.27424657530 1999-03-01 27968.33178082190 1999-04-01 24549.25573820400 1999-05-01 29511.26228310500 1999-06-01 36059.66216133940 1999-07-01 30315.32465753420 1999-08-01 34784.75245053270 1999-09-01 39333.86210045660 1999-10-01 41738.80541856920 1999-11-01 18899.08770167430 1999-12-01 26758.61631659060 2000-01-01 28076.98885844750 2000-02-01 31669.91622526640 2000-03-01 32024.86267884320 2000-04-01 28620.27424657530 2000-05-01 37030.33205479450 2000-06-01 35762.66614916290 2000-07-01 35233.86837138510 2000-08-01 38863.01476407920 2000-09-01 31901.71799086760 2000-10-01 41564.95409436830 2000-11-01 18710.74876712330 2000-12-01 27113.56277016740 2001-01-01 27982.81939117200 2001-02-01 32213.20161339420 2001-03-01 34683.33917808220 2001-04-01 29366.38617960430 2001-05-01 31720.62286149160 2001-06-01 34705.07059360730 2001-07-01 28294.30301369860 2001-08-01 33748.88831050230 2001-09-01 32937.58213089800 2001-10-01 43267.24831050230 2001-11-01 22832.47391171990 2001-12-01 27627.87293759510 2002-01-01 29873.45254185690 2002-02-01 29047.65875190260 2002-03-01 24339.18538812790 2002-04-01 30438.46934550990 2002-05-01 31271.50694063930 2002-06-01 29156.31582952820 2002-07-01 36371.14578386610 2002-08-01 36045.17455098930 2002-09-01 33727.15689497720 2002-10-01 50634.19817351600 2002-11-01 24694.13184170470 2002-12-01 37646.05549467280 2003-01-01 34936.87235920850 2003-02-01 33763.37592085240 2003-03-01 32915.85071537290 2003-04-01 35574.32721461190 2003-05-01 34357.36794520550 2003-06-01 37957.53911719940 2003-07-01 46440.03497716900 2003-08-01 35893.05464231350 2003-09-01 38681.91963470320 2003-10-01 50025.71853881280 2003-11-01 32256.66444444440 2003-12-01 37906.83248097410 2004-01-01 35125.21129375950 2004-02-01 37559.12983257230 2004-03-01 44723.25315068490 2004-04-01 37687.34518417050 2004-05-01 40718.15326940640 2004-06-01 45252.05092846270 2004-07-01 38852.14905631660 2004-08-01 41149.15967732120 2004-09-01 47207.87832572300 2004-10-01 54968.16680974120 2004-11-01 31919.82750380520 2004-12-01 42451.59584779300 2005-01-01 42758.00880669710 2005-02-01 41784.44139117200 2005-03-01 46344.41674885840 2005-04-01 39722.13005783870 2005-05-01 43237.54870928460 2005-06-01 45867.04998782340 2005-07-01 44388.58935159820 2005-08-01 42604.44013698630 2005-09-01 43649.72122374430 2005-10-01 46713.12643226790 2005-11-01 32387.05293759510 2005-12-01 49397.68063013700 2006-01-01 41725.76656925420 2006-02-01 43479.49180213090 2006-03-01 41333.87670928460 2006-04-01 44290.79798173520 2006-05-01 44390.76249315070 2006-06-01 49163.70572298330 2006-07-01 37028.88329375950 2006-08-01 46513.19740943680 2006-09-01 48981.88621308980 2006-10-01 58028.67449619480 2006-11-01 43603.36087062400 2006-12-01 52117.72947336380 2007-01-01 45936.59051750380 2007-02-01 40130.68066971080 2007-03-01 36634.82029223740 2007-04-01 38853.59781735160 2007-05-01 36889.07785388130 2007-06-01 42568.94549162860 2007-07-01 35678.63800913240 2007-08-01 35765.56367123290 2007-09-01 34920.21160730590 2007-10-01 35322.96717503800 2007-11-01 27086.76069101980 2007-12-01 36413.15985388130 2008-01-01 31829.00000000000 2008-02-01 27887.00000000000 2008-03-01 23149.00000000000 2008-04-01 25565.00000000000 2008-05-01 26362.00000000000 2008-06-01 20234.00000000000 2008-07-01 16294.00000000000 2008-08-01 13216.00000000000 2008-09-01 13056.00000000000 2008-10-01 19984.00000000000 2008-11-01 9501.00000000000 2008-12-01 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2011-12-01 2945.00000000000 2012-01-01 3926.00000000000 2012-02-01 3347.00000000000 2012-03-01 3842.00000000000 2012-04-01 2733.00000000000 2012-05-01 3202.00000000000 2012-06-01 2796.00000000000 2012-07-01 2413.00000000000 2012-08-01 2888.00000000000 2012-09-01 2843.00000000000 2012-10-01 2889.00000000000 2012-11-01 1748.00000000000 2012-12-01 1953.00000000000 2013-01-01 2423.00000000000 2013-02-01 2311.00000000000 2013-03-01 2447.00000000000 2013-04-01 2372.00000000000 2013-05-01 2718.00000000000 2013-06-01 2617.00000000000 2013-07-01 2368.00000000000 2013-08-01 2091.00000000000 2013-09-01 2325.00000000000 2013-10-01 3396.00000000000 2013-11-01 2062.00000000000 2013-12-01 2102.00000000000 2014-01-01 2509.00000000000 2014-02-01 3563.00000000000 2014-03-01 2090.00000000000 2014-04-01 2233.00000000000 2014-05-01 2635.00000000000 2014-06-01 3317.00000000000 2014-07-01 2644.00000000000 2014-08-01 2730.00000000000 2014-09-01 2825.00000000000 2014-10-01 3452.00000000000 2014-11-01 1658.00000000000 2014-12-01 2464.00000000000 2015-01-01 3643.00000000000 2015-02-01 2584.00000000000 2015-03-01 3713.00000000000 2015-04-01 2981.00000000000 2015-05-01 3540.00000000000 2015-06-01 5089.00000000000 2015-07-01 3496.00000000000 2015-08-01 3305.00000000000 2015-09-01 4627.00000000000 2015-10-01 5610.00000000000 2015-11-01 2947.00000000000 2015-12-01 3724.00000000000 2016-01-01 3927.00000000000 2016-02-01 5400.00000000000 2016-03-01 5773.00000000000 2016-04-01 3698.00000000000 2016-05-01 4963.00000000000 2016-06-01 6024.00000000000 2016-07-01 4078.00000000000 2016-08-01 4457.00000000000 2016-09-01 4806.00000000000 2016-10-01 6318.00000000000 2016-11-01 3298.00000000000 2016-12-01 5237.00000000000 2017-01-01 6119.00000000000 2017-02-01 6203.00000000000 2017-03-01 5524.00000000000