Year	2005 U.S. Dollars
1960-01-01	10649.0459545187
1961-01-01	10983.1265305233
1962-01-01	11479.6164624103
1963-01-01	11935.6616964788
1964-01-01	12553.8012303871
1965-01-01	13097.0110254437
1966-01-01	13743.7536979870
1967-01-01	14215.2199622181
1968-01-01	14945.0460020275
1969-01-01	15624.0424902616
1970-01-01	15994.0845778583
1971-01-01	16437.4388389292
1972-01-01	17160.9767919072
1973-01-01	18067.6107899930
1974-01-01	18059.0740157446
1975-01-01	17923.4942159139
1976-01-01	18653.8533928911
1977-01-01	19216.4928059112
1978-01-01	19907.2332797871
1979-01-01	20529.8782629195
1980-01-01	20610.0867480169
1981-01-01	20854.7254403667
1982-01-01	20776.8205279152
1983-01-01	21275.9197744578
1984-01-01	22139.4306134260
1985-01-01	22876.0386627518
1986-01-01	23450.7900004609
1987-01-01	24120.4111754540
1988-01-01	25131.8067429168
1989-01-01	25953.0288774478
1990-01-01	26550.2728494457
1991-01-01	26687.0008446599
1992-01-01	27013.9577405487
1993-01-01	27156.0255383171
1994-01-01	27831.4935791489
1995-01-01	28453.3826603462
1996-01-01	29095.0072844001
1997-01-01	29896.3842696401
1998-01-01	30515.1198766052
1999-01-01	31370.0613819339
2000-01-01	32404.4834935563
2001-01-01	32697.1761892321
2002-01-01	33006.1645033756
2003-01-01	33453.9488805385
2004-01-01	34279.4080841630
2005-01-01	34952.4378230584
2006-01-01	35740.4851121478
2007-01-01	36416.3237595410
2008-01-01	36227.3163166582
2009-01-01	34756.4044760259
2010-01-01	35535.7210547173
2011-01-01	35919.6964333678
2012-01-01	36224.6548456256
2013-01-01	36491.2520518365
2014-01-01	36988.4690412751