Year	current international $
1990	2017.6249305878864
1991	2073.3141579267945
1992	2135.6623449626713
1993	2129.3966607791663
1994	2142.513951023094
1995	2183.4176050920387
1996	2262.7835637553353
1997	2285.492901219295
1998	2313.8421307217177
1999	2342.350009189145
2000	2423.237106846028
2001	2514.792896419674
2002	2649.3322973428417
2003	2775.2992175232503
2004	2996.8144285259764
2005	3212.936084590169
2006	3427.866147512484
2007	3627.172777218103
2008	3753.5382326822382
2009	3893.2582182867236
2010	4045.1810365323186
2011	4205.233254509219
2012	4342.841907991704
2013	4534.321814993423
2014	4746.854750610073
2015	4836.021406609494
2016	4873.236750620266
2017	4957.103029754185
2018	5133.296443244036
2019	5320.386757311915
2020	5317.532617049001
2021	5632.059957621709
2022	6153.8243769632145
2023	6386.850414032266