Year	current international $
1990	2042.002735808993
1991	2067.7390610937655
1992	2220.4811684485394
1993	2363.90534447873
1994	2510.3342675994677
1995	2726.318615890873
1996	2449.80388448365
1997	2294.907045745625
1998	2270.10827470422
1999	2243.234124517896
2000	2333.4488504313485
2001	2542.479104745221
2002	2671.789385911874
2003	2682.1374288176985
2004	2738.109593713078
2005	2879.5448588688078
2006	2981.9435932475
2007	3177.3279605583925
2008	3003.2557680125155
2009	3146.569886555962
2010	3369.406856705768
2011	3460.3843105638266
2012	3529.8648217491163
2013	3781.191841544017
2014	3872.878837738762
2015	4072.4249244639836
2016	4293.208108935011
2017	4642.973495043175
2018	5148.834415833831
2019	5940.400510496158
2020	6024.680320408016
2021	6577.489177421771
2022	7073.968199672518
2023	7491.38614955985