Year	current US$
1995	1697815817.6135058
1996	2059532732.4305327
1997	2182602555.486935
1998	2074389508.5921013
1999	1946253342.9018686
2000	2000734087.165743
2001	2068771151.3832607
2002	2185280931.967669
2003	2499744781.5060525
2004	2903277022.735933
2005	3149773786.4997134
2006	3672194694.9685044
2007	4299687211.369052
2008	5576162799.61355
2009	6125958951.389552
2010	15284351458.166876
2011	17226569314.594276
2012	20429808911.081238
2013	23328810951.81422
2014	24086266313.599396
2015	25492765951.75934
2016	26733810701.196068
2017	28514983401.516922
2018	30222633787.643158
2019	32028301944.31037
2020	32855058531.442863
2021	35126918689.03331
2022	36658916246.843605