Year	current US$
1998	1086059974.388236
1999	1161169913.8791096
2000	1151148612.470593
2001	1180898246.350965
2002	1281414374.2255895
2003	1722945264.587359
2004	1828458650.9525783
2005	2056609153.7141628
2006	2296033246.9111843
2007	2695647685.2788205
2008	2777370765.8747883
2009	2515171519.8306546
2010	2418940003.4672365
2011	2530253066.2847996
2012	2719424301.4558887
2013	2775558053.042637
2014	2894021470.415773
2015	2552755262.5207214
2016	2686104795.2394915
2017	2816416985.706114
2018	3228096580.3320827
2019	3171177460.4401236
2020	3306801798.5519137
2021	3637567831.212832
2022	3560056369.620098