Year	constant 2015 US$
1995	2188784863.354194
1996	2417144155.588443
1997	2972606966.593813
1998	3080977020.565627
1999	2538877695.977239
2000	2664527185.449507
2001	2784503557.4159617
2002	3611204430.0495114
2003	4383271333.869584
2004	5215462438.801809
2005	5506301383.333599
2006	6362808868.645918
2007	7985017198.331885
2008	8631144234.16475
2009	6687075802.93154
2010	6252078886.017714
2011	6543879165.262287
2012	7454335887.06333
2013	6563172755.066851
2014	6337139665.251144
2015	6729845694.052808
2016	7071742696.136919
2017	7541449273.364448
2018	8862572742.706018
2019	10389382704.068071
2020	10191860244.45503
2021	11792241816.51881
2022	12012359149.785975
2023	12479157026.02002