Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	340046104.435183
1961-01-01	348341730.125935
1962-01-01	347456993.090369
1963-01-01	417685734.712856
1964-01-01	427719300.368112
1965-01-01	469121618.286711
1966-01-01	461858477.670275
1967-01-01	571825904.080580
1968-01-01	684188704.150738
1969-01-01	747706575.342178
1970-01-01	859736065.482488
1971-01-01	947314616.738920
1972-01-01	1049274152.681310
1973-01-01	1636713278.412190
1974-01-01	1728591010.749590
1975-01-01	1849515681.391850
1976-01-01	2160892302.663830
1977-01-01	2161361680.071820
1978-01-01	2504106658.517020
1979-01-01	3161189358.372460
1980-01-01	3614045755.111350
1981-01-01	3832124133.832990
1982-01-01	3500866258.187200
1983-01-01	4400898633.265960
1984-01-01	5720255402.463440
1985-01-01	5869773993.213390
1986-01-01	6401773628.418160
1987-01-01	8255830908.041080
1988-01-01	11467987219.615700
1989-01-01	15638321001.969900
1990-01-01	17535268954.218600
1991-01-01	16252020015.186600
1992-01-01	14256858846.918500
1993-01-01	12817840837.731900
1994-01-01	16638241148.220500
1995-01-01	19633830821.194600
1996-01-01	21709892576.977800
1997-01-01	22012203037.777500
1998-01-01	18551780443.383800
1999-01-01	20294041729.404200
2000-01-01	21114087545.792800
2001-01-01	19539365755.990400
2002-01-01	21446163733.215100
2003-01-01	27146849744.573900
2004-01-01	38621036368.541100
2005-01-01	47781685223.507300
2006-01-01	58731848133.040500
2007-01-01	78921232996.102400
2008-01-01	80662212943.632600
2009-01-01	68167761810.985200
2010-01-01	88353946583.907900
2011-01-01	99569572581.962600
2012-01-01	86582409524.220400
2013-01-01	83477505729.103900