Month Monthly level 1968-01-01 663000.0000000000 1968-02-01 595000.0000000000 1968-03-01 452000.0000000000 1968-04-01 598000.0000000000 1968-05-01 629000.0000000000 1968-06-01 610000.0000000000 1968-07-01 724000.0000000000 1968-08-01 619000.0000000000 1968-09-01 758000.0000000000 1968-10-01 885000.0000000000 1968-11-01 804000.0000000000 1968-12-01 727000.0000000000 1969-01-01 797000.0000000000 1969-02-01 352000.0000000000 1969-03-01 565000.0000000000 1969-04-01 525000.0000000000 1969-05-01 577000.0000000000 1969-06-01 631000.0000000000 1969-07-01 781000.0000000000 1969-08-01 740000.0000000000 1969-09-01 806000.0000000000 1969-10-01 701000.0000000000 1969-11-01 702000.0000000000 1969-12-01 851000.0000000000 1970-01-01 787000.0000000000 1970-02-01 388000.0000000000 1970-03-01 696000.0000000000 1970-04-01 577000.0000000000 1970-05-01 663000.0000000000 1970-06-01 779000.0000000000 1970-07-01 709000.0000000000 1970-08-01 596000.0000000000 1970-09-01 620000.0000000000 1970-10-01 700000.0000000000 1970-11-01 529000.0000000000 1970-12-01 1048000.0000000000 1971-01-01 506000.0000000000 1971-02-01 497000.0000000000 1971-03-01 624000.0000000000 1971-04-01 544000.0000000000 1971-05-01 666000.0000000000 1971-06-01 696000.0000000000 1971-07-01 798000.0000000000 1971-08-01 552000.0000000000 1971-09-01 861000.0000000000 1971-10-01 639000.0000000000 1971-11-01 716000.0000000000 1971-12-01 968000.0000000000 1972-01-01 581000.0000000000 1972-02-01 590000.0000000000 1972-03-01 594000.0000000000 1972-04-01 616000.0000000000 1972-05-01 603000.0000000000 1972-06-01 796000.0000000000 1972-07-01 879000.0000000000 1972-08-01 887000.0000000000 1972-09-01 1051000.0000000000 1972-10-01 1127000.0000000000 1972-11-01 966000.0000000000 1972-12-01 989000.0000000000 1973-01-01 746000.0000000000 1973-02-01 791000.0000000000 1973-03-01 801000.0000000000 1973-04-01 739000.0000000000 1973-05-01 818000.0000000000 1973-06-01 961000.0000000000 1973-07-01 921000.0000000000 1973-08-01 1036000.0000000000 1973-09-01 1001000.0000000000 1973-10-01 824000.0000000000 1973-11-01 1091000.0000000000 1973-12-01 1149000.0000000000 1974-01-01 599000.0000000000 1974-02-01 600000.0000000000 1974-03-01 669000.0000000000 1974-04-01 765000.0000000000 1974-05-01 801000.0000000000 1974-06-01 812000.0000000000 1974-07-01 907000.0000000000 1974-08-01 938000.0000000000 1974-09-01 1031000.0000000000 1974-10-01 883000.0000000000 1974-11-01 891000.0000000000 1974-12-01 913000.0000000000 1975-01-01 822000.0000000000 1975-02-01 798000.0000000000 1975-03-01 700000.0000000000 1975-04-01 804000.0000000000 1975-05-01 742000.0000000000 1975-06-01 946000.0000000000 1975-07-01 1204000.0000000000 1975-08-01 1014000.0000000000 1975-09-01 1318000.0000000000 1975-10-01 995000.0000000000 1975-11-01 1158000.0000000000 1975-12-01 1070000.0000000000 1976-01-01 860000.0000000000 1976-02-01 886000.0000000000 1976-03-01 880000.0000000000 1976-04-01 822000.0000000000 1976-05-01 883000.0000000000 1976-06-01 1032000.0000000000 1976-07-01 1071000.0000000000 1976-08-01 1343000.0000000000 1976-09-01 924000.0000000000 1976-10-01 1259000.0000000000 1976-11-01 1317000.0000000000 1976-12-01 997000.0000000000 1977-01-01 1073000.0000000000 1977-02-01 1091000.0000000000 1977-03-01 1081000.0000000000 1977-04-01 1086000.0000000000 1977-05-01 1181000.0000000000 1977-06-01 1282000.0000000000 1977-07-01 1139000.0000000000 1977-08-01 1433000.0000000000 1977-09-01 1063000.0000000000 1977-10-01 1112000.0000000000 1977-11-01 1061000.0000000000 1977-12-01 1557000.0000000000 1978-01-01 1097000.0000000000 1978-02-01 1032000.0000000000 1978-03-01 1323000.0000000000 1978-04-01 1208000.0000000000 1978-05-01 1119000.0000000000 1978-06-01 1172000.0000000000 1978-07-01 1326000.0000000000 1978-08-01 1271000.0000000000 1978-09-01 1138000.0000000000 1978-10-01 1422000.0000000000 1978-11-01 1102000.0000000000 1978-12-01 1724000.0000000000 1979-01-01 1311000.0000000000 1979-02-01 1311000.0000000000 1979-03-01 1283000.0000000000 1979-04-01 1150000.0000000000 1979-05-01 1268000.0000000000 1979-06-01 1193000.0000000000 1979-07-01 1461000.0000000000 1979-08-01 1257000.0000000000 1979-09-01 1336000.0000000000 1979-10-01 1363000.0000000000 1979-11-01 1145000.0000000000 1979-12-01 1550000.0000000000 1980-01-01 1236000.0000000000 1980-02-01 1715000.0000000000 1980-03-01 1187000.0000000000 1980-04-01 1022000.0000000000 1980-05-01 1036000.0000000000 1980-06-01 1276100.0000000000 1980-07-01 1493500.0000000000 1980-08-01 1089600.0000000000 1980-09-01 1302600.0000000000 1980-10-01 1281500.0000000000 1980-11-01 1733800.0000000000 1980-12-01 2924900.0000000000 1981-01-01 1676200.0000000000 1981-02-01 1440100.0000000000 1981-03-01 1061200.0000000000 1981-04-01 985500.0000000000 1981-05-01 1023300.0000000000 1981-06-01 1159000.0000000000 1981-07-01 1274800.0000000000 1981-08-01 1168500.0000000000 1981-09-01 1228300.0000000000 1981-10-01 1192100.0000000000 1981-11-01 1605100.0000000000 1981-12-01 1655300.0000000000 1982-01-01 1195800.0000000000 1982-02-01 901800.0000000000 1982-03-01 1081100.0000000000 1982-04-01 1065500.0000000000 1982-05-01 1039500.0000000000 1982-06-01 1094300.0000000000 1982-07-01 1155700.0000000000 1982-08-01 1366700.0000000000 1982-09-01 1248900.0000000000 1982-10-01 1424300.0000000000 1982-11-01 1603100.0000000000 1982-12-01 2368100.0000000000 1983-01-01 1082300.0000000000 1983-02-01 927300.0000000000 1983-03-01 1031700.0000000000 1983-04-01 973200.0000000000 1983-05-01 1307300.0000000000 1983-06-01 1556700.0000000000 1983-07-01 1187100.0000000000 1983-08-01 1495300.0000000000 1983-09-01 1178700.0000000000 1983-10-01 1584900.0000000000 1983-11-01 1780100.0000000000 1983-12-01 1760800.0000000000 1984-01-01 1459000.0000000000 1984-02-01 832700.0000000000 1984-03-01 711000.0000000000 1984-04-01 762200.0000000000 1984-05-01 1215100.0000000000 1984-06-01 1173800.0000000000 1984-07-01 1203500.0000000000 1984-08-01 1524300.0000000000 1984-09-01 1318700.0000000000 1984-10-01 1538700.0000000000 1984-11-01 1693500.0000000000 1984-12-01 2449700.0000000000 1985-01-01 1096300.0000000000 1985-02-01 754100.0000000000 1985-03-01 783500.0000000000 1985-04-01 1086200.0000000000 1985-05-01 1164100.0000000000 1985-06-01 886900.0000000000 1985-07-01 1211900.0000000000 1985-08-01 1292200.0000000000 1985-09-01 1310000.0000000000 1985-10-01 1466200.0000000000 1985-11-01 1728700.0000000000 1985-12-01 2709200.0000000000 1986-01-01 1276200.0000000000 1986-02-01 1312800.0000000000 1986-03-01 1367600.0000000000 1986-04-01 1548600.0000000000 1986-05-01 1850800.0000000000 1986-06-01 1558600.0000000000 1986-07-01 1999100.0000000000 1986-08-01 1840000.0000000000 1986-09-01 2006100.0000000000 1986-10-01 2230300.0000000000 1986-11-01 1914000.0000000000 1986-12-01 2893000.0000000000 1987-01-01 1406900.0000000000 1987-02-01 1633100.0000000000 1987-03-01 1778100.0000000000 1987-04-01 1605100.0000000000 1987-05-01 2104800.0000000000 1987-06-01 1806700.0000000000 1987-07-01 2951100.0000000000 1987-08-01 1922700.0000000000 1987-09-01 2241100.0000000000 1987-10-01 2645500.0000000000 1987-11-01 2578700.0000000000 1987-12-01 3715000.0000000000 1988-01-01 2108400.0000000000 1988-02-01 2092699.9999999998 1988-03-01 1966300.0000000000 1988-04-01 1909700.0000000000 1988-05-01 1668900.0000000000 1988-06-01 2371200.0000000000 1988-07-01 2114300.0000000000 1988-08-01 2643400.0000000000 1988-09-01 2865700.0000000000 1988-10-01 2601100.0000000000 1988-11-01 2698900.0000000000 1988-12-01 3594700.0000000000 1989-01-01 3305900.0000000000 1989-02-01 2374200.0000000000 1989-03-01 3700100.0000000000 1989-04-01 1896400.0000000000 1989-05-01 2038400.0000000000 1989-06-01 2701200.0000000000 1989-07-01 2923900.0000000000 1989-08-01 2845800.0000000000 1989-09-01 3030100.0000000000 1989-10-01 3475500.0000000000 1989-11-01 3458000.0000000000 1989-12-01 3838400.0000000000 1990-01-01 2518800.0000000000 1990-02-01 1769400.0000000000 1990-03-01 2529200.0000000000 1990-04-01 1729800.0000000000 1990-05-01 2663400.0000000000 1990-06-01 3025800.0000000000 1990-07-01 2519100.0000000000 1990-08-01 3419600.0000000000 1990-09-01 2833900.0000000000 1990-10-01 3355800.0000000000 1990-11-01 3103700.0000000000 1990-12-01 3771500.0000000000 1991-01-01 2865190.0000000000 1991-02-01 1883650.0000000000 1991-03-01 1875350.0000000000 1991-04-01 1843760.0000000000 1991-05-01 2319300.0000000000 1991-06-01 2289000.0000000000 1991-07-01 3221800.0000000000 1991-08-01 2978300.0000000000 1991-09-01 3084500.0000000000 1991-10-01 3324490.0000000000 1991-11-01 3260100.0000000000 1991-12-01 3976000.0000000000 1992-01-01 2399650.0000000000 1992-02-01 1785500.0000000000 1992-03-01 2113480.0000000000 1992-04-01 2005390.0000000000 1992-05-01 2749800.0000000000 1992-06-01 2628600.0000000000 1992-07-01 3817700.0000000000 1992-08-01 3249400.0000000000 1992-09-01 3152100.0000000000 1992-10-01 3485200.0000000000 1992-11-01 3462400.0000000000 1992-12-01 6901200.0000000000 1993-01-01 2460900.0000000000 1993-02-01 2193900.0000000000 1993-03-01 1845000.0000000000 1993-04-01 2162600.0000000000 1993-05-01 2590000.0000000000 1993-06-01 2359400.0000000000 1993-07-01 3175900.0000000000 1993-08-01 3396000.0000000000 1993-09-01 3790100.0000000000 1993-10-01 3523300.0000000000 1993-11-01 3354100.0000000000 1993-12-01 7901100.0000000000 1994-01-01 3117600.0000000000 1994-02-01 2633400.0000000000 1994-03-01 2474000.0000000000 1994-04-01 2567800.0000000000 1994-05-01 2074000.0000000000 1994-06-01 2992500.0000000000 1994-07-01 3123300.0000000000 1994-08-01 2844400.0000000000 1994-09-01 2464400.0000000000 1994-10-01 2511300.0000000000 1994-11-01 2525500.0000000000 1994-12-01 5046200.0000000000 1995-01-01 2223500.0000000000 1995-02-01 1801800.0000000000 1995-03-01 1681700.0000000000 1995-04-01 2122800.0000000000 1995-05-01 2065600.0000000000 1995-06-01 2209200.0000000000 1995-07-01 3075700.0000000000 1995-08-01 3085100.0000000000 1995-09-01 2955200.0000000000 1995-10-01 4414600.0000000000 1995-11-01 3955900.0000000000 1995-12-01 6864600.0000000000 1996-01-01 2802000.0000000000 1996-02-01 1981000.0000000000 1996-03-01 2568000.0000000000 1996-04-01 2744400.0000000000 1996-05-01 2411100.0000000000 1996-06-01 3045900.0000000000 1996-07-01 3192100.0000000000 1996-08-01 3263900.0000000000 1996-09-01 3035200.0000000000 1996-10-01 3625800.0000000000 1996-11-01 3523700.0000000000 1996-12-01 7301600.0000000000 1997-01-01 3451300.0000000000 1997-02-01 2140300.0000000000 1997-03-01 2869000.0000000000 1997-04-01 2016700.0000000000 1997-05-01 2684600.0000000000 1997-06-01 3032800.0000000000 1997-07-01 3319700.0000000000 1997-08-01 3397400.0000000000 1997-09-01 2847700.0000000000 1997-10-01 3259400.0000000000 1997-11-01 3355400.0000000000 1997-12-01 11084300.0000000000 1998-01-01 2007730.0000000000 1998-02-01 1905020.0000000000 1998-03-01 2227410.0000000000 1998-04-01 1522700.0000000000 1998-05-01 2669280.0000000000 1998-06-01 2634780.0000000000 1998-07-01 2492090.0000000000 1998-08-01 3073410.0000000000 1998-09-01 4214990.0000000000 1998-10-01 3373250.0000000000 1998-11-01 3829690.0000000000 1998-12-01 9590040.0000000000 1999-01-01 1865560.0000000000 1999-02-01 3005200.0000000000 1999-03-01 3440900.0000000000 1999-04-01 3923670.0000000000 1999-05-01 2423280.0000000000 1999-06-01 2634430.0000000000 1999-07-01 2251020.0000000000 1999-08-01 2158400.0000000000 1999-09-01 2341640.0000000000 1999-10-01 2111000.0000000000 1999-11-01 3436340.0000000000 1999-12-01 6639750.0000000000 2000-01-01 2351530.0000000000 2000-02-01 2420930.0000000000 2000-03-01 2598320.0000000000 2000-04-01 2357240.0000000000 2000-05-01 3304520.0000000000 2000-06-01 3317920.0000000000 2000-07-01 3142400.0000000000 2000-08-01 3512940.0000000000 2000-09-01 3615120.0000000000 2000-10-01 3962180.0000000000 2000-11-01 4408500.0000000000 2000-12-01 7471300.0000000000 2001-01-01 2719467.0000000000 2001-02-01 2032047.0000000000 2001-03-01 1789695.0000000000 2001-04-01 2358647.0000000000 2001-05-01 2755214.0000000000 2001-06-01 2667692.0000000000 2001-07-01 2871880.0000000000 2001-08-01 3274448.0000000000 2001-09-01 2810316.0000000000 2001-10-01 4263499.0000000000 2001-11-01 3909726.0000000000 2001-12-01 8726248.0000000000 2002-01-01 2484873.0000000000 2002-02-01 1890091.0000000000 2002-03-01 2158633.0000000000 2002-04-01 1975274.0000000000 2002-05-01 2537358.0000000000 2002-06-01 1930828.0000000000 2002-07-01 2133668.0000000000 2002-08-01 2117428.0000000000 2002-09-01 2375863.0000000000 2002-10-01 2783549.0000000000 2002-11-01 2648223.0000000000 2002-12-01 6640637.0000000000 2003-01-01 2764653.0000000000 2003-02-01 1487920.0000000000 2003-03-01 2684740.0000000000 2003-04-01 2155868.0000000000 2003-05-01 2035276.0000000000 2003-06-01 2104450.0000000000 2003-07-01 2119457.0000000000 2003-08-01 1847518.0000000000 2003-09-01 2186441.0000000000 2003-10-01 2391514.0000000000 2003-11-01 1585953.0000000000 2003-12-01 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2014-12-01 17550024.0000000000 2015-01-01 10934829.0000000000 2015-02-01 9427484.0000000000 2015-03-01 10743422.0000000000 2015-04-01 11230389.0000000000 2015-05-01 11665072.0000000000 2015-06-01 14631773.0000000000 2015-07-01 11030471.0000000000 2015-08-01 11475161.0000000000 2015-09-01 10201718.0000000000 2015-10-01 11222375.0000000000 2015-11-01 10723823.0000000000 2015-12-01 19819133.0000000000 2016-01-01 9483694.0000000000 2016-02-01 10557485.0000000000 2016-03-01 12162838.0000000000 2016-04-01 12341965.0000000000 2016-05-01 12553493.0000000000 2016-06-01 12987542.0000000000 2016-07-01 8491750.0000000000 2016-08-01 12317920.0000000000 2016-09-01 10971470.0000000000 2016-10-01 13037346.0000000000 2016-11-01 15838425.0000000000 2016-12-01 20396138.0000000000 2017-01-01 13556082.0000000000 2017-02-01 11575520.0000000000 2017-03-01 14529520.0000000000 2017-04-01 13029594.0000000000 2017-05-01 12966259.0000000000 2017-06-01 11574109.0000000000 2017-07-01 11450597.0000000000 2017-08-01 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