Year	constant 2015 US$
1991	69982.33291810768
1992	70353.90771499377
1993	73685.24475313038
1994	77574.9067744046
1995	77578.67491062456
1996	77890.13848560692
1997	77683.37426823998
1998	79309.96938240093
1999	81447.50687412932
2000	83673.06652013642
2001	84924.16342808692
2002	82584.5881794517
2003	84131.7810058943
2004	85202.82160890853
2005	87369.61599785126
2006	88302.17426437256
2007	89376.92888532777
2008	89653.57557523221
2009	87300.3211668419
2010	89918.21587913959
2011	91239.20772158992
2012	91386.76943664312
2013	93013.36822694428
2014	93154.8127839598
2015	94042.9513176449
2016	94146.96304442445
2017	94507.54200437083
2018	95027.46284964684
2019	94548.24679452965
2020	93433.8691890957
2021	97425.95646591047
2022	96819.94575029964