Year	constant 2015 US$
1993	8697594058.617079
1994	6388125316.421097
1995	4390184550.182472
1996	2846499784.274918
1997	2553427796.309576
1998	2107150930.4939659
1999	2455705937.210465
2000	1444195012.9133258
2001	1621482400.7054443
2002	1525865872.2672513
2003	1667465672.9507318
2004	2176709269.605818
2005	1234724915.5647166
2006	1124642395.7010992
2007	2034547932.9303963
2008	2052812449.1698089
2009	2031192454.8623428
2010	2151039175.4910316
2011	2270886754.737445
2012	2390733475.366134
2013	2510580195.994823
2014	2952442049.4701233
2015	3696457490.584716
2016	3452491567.5293255
2017	3038192201.6340075
2018	3812931560.790858
2019	4152282185.498777
2020	3961277520.9371557
2021	4436630617.38136
2022	4964590363.19904