Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	27185250771.1642
1991-01-01	29182044235.0478
1992-01-01	29646367860.1464
1993-01-01	31093829728.1412
1994-01-01	30799472875.0275
1995-01-01	31968329912.9315
1996-01-01	34499615041.4900
1997-01-01	36192562018.2791
1998-01-01	36501047640.9821
1999-01-01	39185926491.0470
2000-01-01	42965889132.6671
2001-01-01	42116151531.9495
2002-01-01	43526233380.2181
2003-01-01	50324976345.3402
2004-01-01	57623149790.8807
2005-01-01	65162545992.2286
2006-01-01	72927606929.2820
2007-01-01	82238614944.2673
2008-01-01	89248518816.3020
2009-01-01	82985266416.4829
2010-01-01	98177935597.6349
2011-01-01	107639580437.2550
2012-01-01	108370374694.5650
2013-01-01	107716053876.9570