Year	constant 2021 international $
1990	5493.086333436058
1991	5359.226584814062
1992	5571.488624784587
1993	5611.142122359794
1994	5805.0105594095085
1995	5963.781889768379
1996	6102.409331939082
1997	5924.929820907134
1998	5917.416632743378
1999	6155.606459098817
2000	5968.851719890493
2001	5968.796048441229
2002	6036.237586601316
2003	6061.291435307057
2004	6243.1961746686275
2005	6286.236209398637
2006	6345.471529929231
2007	6272.09151203854
2008	6315.837508585472
2009	6193.4464254471395
2010	6341.768601842557
2011	6494.253399591456
2012	6492.42873030118
2013	6653.939243528618
2014	6854.662485489221
2015	7053.27623907163
2016	7219.486566126034
2017	7452.829386069138
2018	7597.921746612436
2019	7574.378674512707
2020	6579.5356466599205
2021	6267.2638415387055
2022	6919.634152502121
2023	7269.311625235726