Year	constant 2015 US$
1991	51729.252916486425
1992	53394.33879455778
1993	57207.55506602607
1994	59031.55538243153
1995	58960.04064445735
1996	59824.70696469293
1997	62449.36613207345
1998	58064.86250622388
1999	60103.286578761035
2000	61229.26062685213
2001	60199.650991827315
2002	63260.73714888596
2003	67846.08226990828
2004	71841.75084506637
2005	71724.96088614085
2006	73065.24680265179
2007	76378.56521555109
2008	73870.10391004581
2009	71161.0170634149
2010	74044.04826031098
2011	75656.29293911225
2012	76395.95630634605
2013	79356.41853583526
2014	78233.16947892157
2015	78933.47178823291
2016	79502.9186118773
2017	82315.8675930212
2018	84657.16747476072
2019	83535.55619463041
2020	81126.06252908961
2021	89827.87331993591
2022	89731.47231843112