Year	constant 2021 international $
1995	10531.242087576602
1996	10875.278712112262
1997	11590.099381872647
1998	12689.953985879654
1999	13145.797311181002
2000	13838.329149259032
2001	15047.081436205624
2002	16131.69679855162
2003	17636.09252294365
2004	19154.909942363043
2005	21592.85370181118
2006	24122.959797257325
2007	27570.293532483665
2008	27310.38070636673
2009	25783.347813727847
2010	23744.52071736068
2011	24959.455500064723
2012	26408.964411704328
2013	27461.46339618567
2014	28212.338231809328
2015	29482.34622556928
2016	31121.885641684785
2017	32491.83027485459
2018	33973.70313804808
2019	34655.50857477159
2020	34543.17410941975
2021	36094.98435553623
2022	37623.09545949274