Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	27186107620.2445
1991-01-01	29181171748.8985
1992-01-01	29645540650.4625
1993-01-01	31093054649.5030
1994-01-01	30799472875.0275
1995-01-01	31968329912.9315
1996-01-01	34499615041.4900
1997-01-01	36191840000.9627
1998-01-01	36500373555.6317
1999-01-01	39186599649.9574
2000-01-01	42965889132.6671
2001-01-01	42116797356.4251
2002-01-01	43526233380.2181
2003-01-01	50324976345.3402
2004-01-01	57623149790.8807
2005-01-01	65162545992.2286
2006-01-01	72928488517.3159
2007-01-01	82238614944.2673
2008-01-01	89249455533.2652
2009-01-01	82984390286.6405
2010-01-01	98176964951.5890
2011-01-01	107639580437.2550
2012-01-01	108370374694.5650
2013-01-01	107716053876.9570