Year	current US$
1996	155437017.59129235
1997	103517382.41308795
1998	120269912.67531092
1999	145590152.06372195
2000	150276373.5348036
2001	160768481.1360156
2002	176816057.4563159
2003	231427088.17180797
2004	300144345.11924547
2005	356372378.9067363
2006	436345835.4751642
2007	565555579.5648631
2008	643783955.4019469
2009	626007337.2688363
2010	650270996.2789167
2011	729861658.4096193
2012	568493539.3549778
2013	646451580.3365802
2014	704503223.3598787
2015	645807585.2552824
2016	674241295.2856597
2017	801776467.9508009
2018	929587978.0237586
2019	963568291.7397631
2020	933423400.8283478
2021	1103656986.0896447
2022	1236498023.3350592
2023	1355650143.5739481