Year	constant 2015 US$
1994	1899.7678069121307
1995	1877.1050714885
1996	1951.1181791158144
1997	2014.4327368189254
1998	2061.724319559119
1999	2097.580645329144
2000	2134.4497037994092
2001	2134.279834134582
2002	2122.4544737309197
2003	2184.0963271191927
2004	2258.7384364591962
2005	2347.5041636354104
2006	2476.411233069396
2007	2586.5705923207597
2008	2627.582435207974
2009	2607.780110501898
2010	2732.2620167543973
2011	2948.3585328148183
2012	2990.9154780720087
2013	3049.171619514301
2014	3123.4140040518396
2015	3204.087208777875
2016	3312.727644819643
2017	3421.1390436452266
2018	3496.931226430485
2019	3529.7360271435814
2020	3300.850127751153
2021	3518.566988304183
2022	3672.433009598476
2023	3801.4008976605555