Year	constant 2015 US$
1995	20335152259.374996
1996	24593462733.593746
1997	26301003072.26562
1998	27080990634.374992
1999	26904578084.765617
2000	28987133780.46874
2001	28734164841.40624
2002	29002666960.93749
2003	28932767648.828114
2004	28346944842.578114
2005	26210023015.234364
2006	27850992580.46874
2007	30033404436.328114
2008	29438705526.953114
2009	28517809827.734364
2010	29272278593.359364
2011	30693564606.249992
2012	27799954987.499992
2013	31656621795.31249
2014	31239444948.43749
2015	32704001964.062485
2016	34265086601.17186
2017	33012446547.656235
2018	35489988832.42185
2019	33408542649.609352
2020	33780229467.96873
2021	35184872787.49998
2022	28217131834.37498
2023	27671251492.18748