Year	current US$
1995	3793449800.3422704
1996	4065279479.326187
1997	4371065811.759013
1998	4572131538.1865835
1999	4910684602.450156
2000	4981624565.469294
2001	5182585627.938213
2002	5892254433.83356
2003	7255843069.73312
2004	9009682580.980877
2005	10435345364.032358
2006	13718097567.093052
2007	18591668718.36958
2008	20681324367.782486
2009	15980455935.501806
2010	15173059524.215233
2011	16907985225.625973
2012	17044040932.521214
2013	18839842017.45735
2014	19231516846.307777
2015	16320855845.678507
2016	17044266808.403154
2017	18491327547.205914
2018	20519645561.23528
2019	20097329194.596046
2020	19608577457.64208
2021	22523756373.984135
2022	24368050949.727722
2023	26673094564.414196