Year	US Dollars
1993	264089996.33789
1994	676049987.79297
1995	649500000
1996	724190002.44141
1997	857479980.46875
1998	873200012.20703
1999	807770019.53125
2000	999530029.29688
2001	1526260009.76563
2002	1437380004.88281
2003	1347270019.53125
2004	1389689941.40625
2005	1164430053.71094
2006	1496420043.94531
2007	1728020019.53125
2008	2396419921.875
2009	2896010009.76563
2010	2557320068.35938
2011	2343070068.35938
2012	1918140014.64844
2013	2561090087.89063
2014	2361389892.57813
2015	1991800048.82813
2016	2562399902.34375
2017	2241570068.35938
2018	2299959960.9375
2019	2354060058.59375
2020	2033420043.94531
2021	2023760009.76563