Year	constant 2015 US$
1995	10848042604.533588
1996	11336220509.818354
1997	12365232692.664053
1998	13197397317.48085
1999	13417727715.839836
2000	14012524262.34921
2001	14765466338.236712
2002	15759309181.475382
2003	17049872385.592567
2004	17944124242.255848
2005	19258867060.798428
2006	20403774522.147255
2007	22648770671.628113
2008	23339720933.77772
2009	20812111879.822643
2010	21054236439.892174
2011	21937636150.97225
2012	22888825990.156628
2013	23683124049.529285
2014	24274473339.48748
2015	24821963584.879284
2016	25732323349.68866
2017	26785750363.692566
2018	28004384956.623425
2019	29211578252.62616
2020	28798175968.605064
2021	30735811528.586315
2022	31471202220.05702
2023	31637735666.888268