Year	current US$
2008	1239286302151.3406
2009	1339184254757.1025
2010	1480049202645.7913
2011	1520387070847.114
2012	1739918357764.9878
2013	1843457172151.0505
2014	1926958475062.6338
2015	1736887606146.8086
2016	1614877458111.189
2017	1534898016047.3162
2018	1623160011823.2366
2019	1755037352885.9111
2020	1681422720393.177
2021	1799938418386.0808
2022	1884137050125.8984
2023	1905899594140.1812