Year	Millions of 2000 Dollars
1960-01-01	811.992
1961-01-01	831.448
1962-01-01	883.291
1963-01-01	1063.810
1964-01-01	1188.960
1965-01-01	1209.070
1966-01-01	1275.150
1967-01-01	1264.330
1968-01-01	1258.250
1969-01-01	1306.610
1970-01-01	1311.700
1971-01-01	1404.000
1972-01-01	1664.930
1973-01-01	1817.150
1974-01-01	1885.630
1975-01-01	2136.880
1976-01-01	2666.860
1977-01-01	2828.600
1978-01-01	2902.560
1979-01-01	2795.520
1980-01-01	2603.970
1981-01-01	2643.340
1982-01-01	2717.910
1983-01-01	2902.850
1984-01-01	3231.940
1985-01-01	4020.300
1986-01-01	2475.550
1987-01-01	2508.520
1988-01-01	2695.260
1989-01-01	2918.960
1990-01-01	2269.180
1991-01-01	2616.970
1992-01-01	2938.250
1993-01-01	3816.800
1994-01-01	5220.810
1995-01-01	5700.000
1996-01-01	6278.050
1997-01-01	6824.450
1998-01-01	7319.040
1999-01-01	7755.090
2000-01-01	7618.330
2001-01-01	7889.210
2002-01-01	7711.310
2003-01-01	7668.510
2004-01-01	7650.520
2005-01-01	7648.810
2006-01-01	8213.370
2007-01-01	9255.520
2008-01-01	9244.910
2009-01-01	9137.210
2010-01-01	9442.780
2011-01-01	9087.620
2012-01-01	9182.530
2013-01-01	9284.820
2014-01-01	9182.430
2015-01-01	9718.780
2016-01-01	9846.240