Year	current international $
1990	9133.141366553637
1991	8319.631207381273
1992	8251.71946641356
1993	8408.230158993298
1994	8852.986888228226
1995	9186.037562228383
1996	9349.013764572594
1997	9823.025762675363
1998	10398.029252526087
1999	10873.24786277267
2000	11854.68341626704
2001	13211.827060909254
2002	14526.388262912535
2003	15479.101078119684
2004	16269.308764051044
2005	17108.34058200248
2006	18383.632220333813
2007	19098.626306987524
2008	20721.50241061436
2009	20722.065336530028
2010	21738.896594307946
2011	23029.447178209117
2012	23267.44839290897
2013	24547.9805346257
2014	25691.52725563506
2015	26798.854167626865
2016	27941.92685718322
2017	29496.163682474365
2018	31908.86345434904
2019	35152.60369612443
2020	35029.913223325595
2021	38647.998084709725
2022	43577.88714060669
2023	45942.1694906822