Year	current US$
1995	1899717807.9043336
1996	2047879559.8247023
1997	1915492859.2762148
1998	2223381895.958658
1999	2462854189.103854
2000	2505810321.316404
2001	2780831755.610234
2002	3033061150.438598
2003	3250647763.5620112
2004	4037325099.9110384
2005	5035997605.45803
2006	5689429972.335667
2007	7561333484.357453
2008	9162651679.171715
2009	9314076951.24411
2010	10432973463.239176
2011	12006659894.984795
2012	13834894768.195751
2013	15812911416.519825
2014	17738332412.64823
2015	16948034022.94225
2016	16917267153.118166
2017	17717854357.88468
2018	20061318284.767128
2019	21249466868.069557