Year	constant 2015 US$
1991	70921.03927282813
1992	71870.33183809431
1993	72177.65236326514
1994	73672.22097208817
1995	73883.41423489166
1996	74299.89422036061
1997	76337.03977540536
1998	77711.56155138926
1999	79073.09625687214
2000	79632.16989762659
2001	79062.46202036188
2002	78495.13931396382
2003	76094.85783299645
2004	78057.52997477763
2005	78177.70791075597
2006	79872.20405961876
2007	79700.9257391632
2008	79094.71117927023
2009	77929.0585553894
2010	79077.08438801179
2011	80802.97385508461
2012	81144.53785151234
2013	80710.32456074076
2014	81015.51275283148
2015	81407.3998668547
2016	82297.49558665164
2017	83459.16518304791
2018	83929.85639574689
2019	85318.89985415085
2020	79096.76482501609
2021	81399.0530848431
2022	82788.47221128696
