Year	constant 2015 US$
1989	2542339184.842858
1990	2743246294.4670944
1991	3548322907.8725924
1992	7347627274.490007
1993	9473129073.818607
1994	10262009639.165005
1995	11124586205.92496
1996	11451614773.190697
1997	10922069248.05221
1998	11064056148.72274
1999	10378084667.294863
2000	9838424264.61468
2001	11904493360.315424
2002	11678307986.324005
2003	12390684773.329382
2004	13986769071.6643
2005	13220596567.49819
2006	12780200926.667204
2007	14516094032.344244
2008	16594242302.429386
2009	19676337917.426914
2010	20835426519.85799
2011	20203379074.177486
2012	20492853914.84215
2013	22297818456.935528
2014	22361958106.43434
2015	24315275422.22222
2016	25756083420.76494
2017	26294412769.237152
2018	26635452548.99448
2019	24093415967.2252
2020	13002126832.157822
2021	11416725155.055542
2022	11816310245.22987
2023	11776135094.054186