Month	Millions of Dollars
1997-01-01	801.9099230000002
1997-02-01	772.7754629999998
1997-03-01	1076.7913070000000
1997-04-01	771.5032840000000
1997-05-01	1031.4577300000003
1997-06-01	867.4440379999999
1997-07-01	1068.9415520000002
1997-08-01	1328.2040460000000
1997-09-01	949.8010259999999
1997-10-01	917.9247499999998
1997-11-01	848.9590879999998
1997-12-01	953.4001000000000
1998-01-01	965.1938600000000
1998-02-01	757.3140600000000
1998-03-01	876.5583070000000
1998-04-01	831.7420249999998
1998-05-01	771.9772920000000
1998-06-01	1004.1764769999997
1998-07-01	971.2592960000002
1998-08-01	942.8980790000000
1998-09-01	815.0237010000000
1998-10-01	949.2493750000000
1998-11-01	1090.4354800000000
1998-12-01	1191.0028420000000
1999-01-01	817.6623330000001
1999-02-01	663.7430600000000
1999-03-01	859.8674760000000
1999-04-01	799.9315080000000
1999-05-01	834.3274390000000
1999-06-01	888.9652000000000
1999-07-01	847.6224260000001
1999-08-01	717.7772539999999
1999-09-01	808.3173889999998
1999-10-01	984.9262430000001
1999-11-01	843.5410930000000
1999-12-01	813.4198019999999
2000-01-01	814.7315350000000
2000-02-01	921.0246060000000
2000-03-01	810.6531950000000
2000-04-01	799.3166230000002
2000-05-01	786.8070039999999
2000-06-01	1164.2039739999998
2000-07-01	828.0637500000000
2000-08-01	952.1177939999999
2000-09-01	1034.2636990000000
2000-10-01	1043.3858910000000
2000-11-01	876.8319200000000
2000-12-01	934.5293870000002
2001-01-01	1006.7104629999998
2001-02-01	1011.9268010000000
2001-03-01	904.2658259999998
2001-04-01	921.3100769999999
2001-05-01	1090.1626870000000
2001-06-01	1134.0195980000000
2001-07-01	1025.6109860000000
2001-08-01	991.2516510000002
2001-09-01	902.0761010000000
2001-10-01	1317.4608140000000
2001-11-01	958.2547269999999
2001-12-01	856.2933940000000
2002-01-01	913.4508090000002
2002-02-01	979.1806160000000
2002-03-01	1021.5009000000000
2002-04-01	880.3712680000000
2002-05-01	823.8774869999999
2002-06-01	880.5511420000001
2002-07-01	855.4488380000001
2002-08-01	993.5729460000001
2002-09-01	776.4175549999999
2002-10-01	783.1409979999999
2002-11-01	763.1602130000001
2002-12-01	992.3942060000002
2003-01-01	789.3740070000000
2003-02-01	655.6513120000000
2003-03-01	777.7603870000002
2003-04-01	791.1344810000002
2003-05-01	817.1827470000000
2003-06-01	812.8265760000002
2003-07-01	816.8380060000000
2003-08-01	950.9878310000001
2003-09-01	1113.9046420000000
2003-10-01	981.3797860000000
2003-11-01	1083.8169940000000
2003-12-01	1021.7034650000000
2004-01-01	1075.8647280000000
2004-02-01	1103.1479770000003
2004-03-01	1094.2393280000000
2004-04-01	842.0882340000000
2004-05-01	1269.1435789999998
2004-06-01	988.9480129999998
2004-07-01	1007.0277049999999
2004-08-01	1092.7071090000002
2004-09-01	1118.0331130000002
2004-10-01	1493.6284489999996
2004-11-01	1004.1304749999998
2004-12-01	1113.1793050000000
2005-01-01	1176.1988350000001
2005-02-01	1175.0210040000002
2005-03-01	1352.4487680000000
2005-04-01	1279.9822490000001
2005-05-01	1124.5669019999998
2005-06-01	1509.0496920000000
2005-07-01	1378.6160670000000
2005-08-01	1235.3838940000003
2005-09-01	1114.3141610000000
2005-10-01	1320.4619629999997
2005-11-01	1380.5203150000000
2005-12-01	1262.9773919999998
2006-01-01	1224.0180269999998
2006-02-01	1217.8499169999998
2006-03-01	1397.8908130000000
2006-04-01	1321.8908360000000
2006-05-01	1581.8745689999996
2006-06-01	1543.7596719999997
2006-07-01	1362.9246099999990
2006-08-01	1750.1819370000000
2006-09-01	1836.2504140000003
2006-10-01	1835.9877860000004
2006-11-01	1782.3487100000000
2006-12-01	1727.8577720000003
2007-01-01	1497.9306840000000
2007-02-01	1807.9313289999996
2007-03-01	2080.5894310000003
2007-04-01	1609.1672709999996
2007-05-01	1573.3233790000004
2007-06-01	1867.2120060000000
2007-07-01	1806.1632989999996
2007-08-01	2197.4647019999998
2007-09-01	2350.1884509999995
2007-10-01	2385.0658100000000
2007-11-01	2146.3529170000000
2007-12-01	2104.4316060000006
2008-01-01	1962.7828420000003
2008-02-01	2346.3081679999996
2008-03-01	2277.0150080000000
2008-04-01	2279.9493749999997
2008-05-01	2171.7177059999985
2008-06-01	2325.3884130000020
2008-07-01	2661.5689759999996
2008-08-01	3104.7151070000000
2008-09-01	2121.9051030000000
2008-10-01	2588.1826330000000
2008-11-01	2235.3076700000006
2008-12-01	2317.8595899999996
2009-01-01	1831.4995699999995
2009-02-01	2052.0096729999996
2009-03-01	1932.0580299999997
2009-04-01	1978.7792630000004
2009-05-01	1732.3246199999996
2009-06-01	2002.8299030000005
2009-07-01	2054.8769290000005
2009-08-01	2375.6735790000002
2009-09-01	2106.7015340000000
2009-10-01	2183.0661750000004
2009-11-01	2033.6223430000005
2009-12-01	2046.0439820000000
2010-01-01	1760.4840780000000
2010-02-01	1951.2072879999996
2010-03-01	2639.7620990000014
2010-04-01	2143.3759340000006
2010-05-01	2206.3747479999997
2010-06-01	1967.7118910000004
2010-07-01	2170.1266610000000
2010-08-01	2639.3866439999997
2010-09-01	2673.0315709999986
2010-10-01	2772.9658600000020
2010-11-01	2594.8662180000006
2010-12-01	2820.6336650000000
2011-01-01	2584.7543870000000
2011-02-01	2828.8266519999997
2011-03-01	2840.7009279999997
2011-04-01	3190.4380060000008
2011-05-01	2648.7671090000003
2011-06-01	2714.1225950000000
2011-07-01	2765.8805010000000
2011-08-01	2820.8708930000000
2011-09-01	2649.1007010000003
2011-10-01	2581.9592390000000
2011-11-01	2366.8185400000000
2011-12-01	2890.7290820000000
2012-01-01	2269.2800559999996
2012-02-01	2405.3877089999996
2012-03-01	3045.6063289999993
2012-04-01	2781.8335090000005
2012-05-01	3072.0970349999984
2012-06-01	2656.9607930000000
2012-07-01	2453.2061510000000
2012-08-01	2707.8924449999995
2012-09-01	3185.5069610000000
2012-10-01	2835.7816130000015
2012-11-01	2657.6970400000000
2012-12-01	2655.1922120000000
2013-01-01	2483.2199039999996
2013-02-01	3229.9121110000006
2013-03-01	3845.9128660000006
2013-04-01	2512.9856560000007
2013-05-01	2832.8534580000010
2013-06-01	3235.9401509999993
2013-07-01	3021.6582690000000
2013-08-01	2899.2821539999995
2013-09-01	2405.7582670000010
2013-10-01	3124.6970140000008
2013-11-01	2799.0537550000000
2013-12-01	2888.6229299999990
2014-01-01	2777.0981020000010
2014-02-01	2834.6698169999995
2014-03-01	3024.0354769999994
2014-04-01	3719.3567060000000
2014-05-01	3931.6919760000000
2014-06-01	3174.1197899999997
2014-07-01	3199.0021360000010
2014-08-01	3406.7087770000003
2014-09-01	2616.0682589999990
2014-10-01	3358.8792489999996
2014-11-01	3211.4480650000000
2014-12-01	2837.1833810000003
2015-01-01	2254.7880529999998
2015-02-01	2033.2416760000003
2015-03-01	2202.9538240000000
2015-04-01	2505.4943400000000
2015-05-01	2917.5049150000004
2015-06-01	2469.6124379999997
2015-07-01	2222.5256469999990
2015-08-01	2128.3733549999997
2015-09-01	2229.3632489999995
2015-10-01	2344.8963519999993
2015-11-01	1953.1029320000007
2015-12-01	1861.5163409999996
2016-01-01	1518.4867020000002
2016-02-01	1715.4125549999997
2016-03-01	1665.0577290000003
2016-04-01	1842.2092129999996
2016-05-01	1872.4513510000004
2016-06-01	1813.4596959999997
2016-07-01	2000.1082180000000
2016-08-01	1753.1889590000000
2016-09-01	1891.2311450000009
2016-10-01	2098.0694719999997
2016-11-01	1961.3664260000005
2016-12-01	2139.1500999999994
2017-01-01	1430.9512080000000
2017-02-01	1794.5819519999998
2017-03-01	2139.3322279999998
2017-04-01	2009.1817140000000
2017-05-01	1961.5479450000000
2017-06-01	1959.4316840000000
2017-07-01	1818.1678930000000
2017-08-01	1773.9111799999998
2017-09-01	1503.3271000000000
2017-10-01	1992.4108720000002
2017-11-01	1707.6552259999999
2017-12-01	1971.0516989999999
2018-01-01	1732.1470700000000
2018-02-01	1683.6770580000000
2018-03-01	2264.1619930000000
2018-04-01	2087.2539320000000
2018-05-01	2096.6227400000000
2018-06-01	2374.7655290000000
2018-07-01	2252.5007950000000
2018-08-01	2439.8613020000000
2018-09-01	2170.5343740000000
2018-10-01	2170.8503170000000