Year	constant 2015 US$
1991	1997.0106098659141
1992	1999.1994602781663
1993	1982.5383790973628
1994	2137.158485294916
1995	2249.8210080139183
1996	2372.6759209110633
1997	2287.9870380465773
1998	2227.14015470141
1999	2319.2016684408327
2000	2549.42808740661
2001	2581.329987168934
2002	2583.8157424991555
2003	2649.5212472856524
2004	2711.138926880257
2005	2861.467728588106
2006	2821.242899841418
2007	3002.444153586271
2008	3169.65000039231
2009	3106.083404621361
2010	2975.783765982089
2011	2906.805019701516
2012	2666.457401561408
2013	2555.873139422775
2014	2535.1934821645013
2015	2507.2388501800765
2016	2601.140090742854
2017	2822.1311773567318
2018	2923.6351999393505
2019	3068.96359234534
2020	3056.1268294298943
2021	3211.1445905700884
2022	3181.4012787800425