Year	current international $
1990	11881.731967554593
1991	12129.699391809747
1992	12129.976235296037
1993	12226.502262316406
1994	12447.668756702948
1995	12824.980055022756
1996	13271.171194962926
1997	13865.938770410918
1998	14148.649102722522
1999	14700.87814055715
2000	15839.1299798928
2001	16631.79882238822
2002	17405.102594237473
2003	18073.275373690114
2004	19224.079812806827
2005	20270.679421054057
2006	22389.28516487
2007	23920.858961440947
2008	25430.403061271354
2009	24834.994887484125
2010	25958.548845726524
2011	27489.701464585887
2012	28258.361119736095
2013	29513.044967118494
2014	30242.774820081948
2015	30652.871400230408
2016	32045.899348945146
2017	33774.404777074626
2018	35495.488493663746
2019	38062.780547542876
2020	37457.59738767939
2021	42270.195980172255
2022	46656.16158564304
2023	49423.443192694845