Year	constant 2015 US$
1991	2949.5169756958353
1992	2921.2172251264515
1993	2890.838425246343
1994	2810.164323977109
1995	2910.4285272339916
1996	2880.645912452072
1997	2917.4870147704237
1998	2900.0109112244254
1999	2921.8873032138868
2000	3108.598193727592
2001	3166.676928868203
2002	3092.410550779174
2003	3104.8953766216214
2004	3049.98387436671
2005	3056.9904777796455
2006	3064.1664592998445
2007	3132.0850278498815
2008	3333.435059781973
2009	3166.2635512531183
2010	3087.2840161114477
2011	3199.0176863423817
2012	3186.6476254519143
2013	3272.272822392932
2014	3260.226851990197
2015	3133.690672363856
2016	3076.5981984162054
2017	3107.963511423701
2018	3149.191040962914
2019	3163.9626524943938
2020	3276.0850708970192
2021	3433.3432176951824
2022	3406.811025673795