Year	current US$
2007	1202087337
2008	2014770885
2009	1607438723
2010	1686223647
2011	1926288755
2012	1654528414
2013	1791005926
2014	1509995248
2015	1475175631
2016	1333425811
2017	1487360178
2018	647172447
2019	561915855
2020	546445789
2021	466425814
2022	663679612