Year	Millions of 2011 U.S. Dollars
1960-01-01	80570
1961-01-01	84850
1962-01-01	86885
1963-01-01	90429
1964-01-01	95888
1965-01-01	98629
1966-01-01	104195
1967-01-01	107328
1968-01-01	112129
1969-01-01	119166
1970-01-01	127654
1971-01-01	134181
1972-01-01	142511
1973-01-01	149476
1974-01-01	155371
1975-01-01	154808
1976-01-01	161893
1977-01-01	170002
1978-01-01	169754
1979-01-01	179016
1980-01-01	182209
1981-01-01	181946
1982-01-01	185488
1983-01-01	190965
1984-01-01	191081
1985-01-01	195775
1986-01-01	200310
1987-01-01	203007
1988-01-01	208831
1989-01-01	216948
1990-01-01	226376
1991-01-01	234167
1992-01-01	239069
1993-01-01	240328
1994-01-01	246101
1995-01-01	252668
1996-01-01	258900
1997-01-01	264878
1998-01-01	274905
1999-01-01	284635
2000-01-01	295073
2001-01-01	297604
2002-01-01	302643
2003-01-01	305265
2004-01-01	313170
2005-01-01	320687
2006-01-01	332456
2007-01-01	344777
2008-01-01	349591
2009-01-01	336272
2010-01-01	344055
2011-01-01	354235