Year	current US$
2009	4239999.771118159
2011	7340000.15258789
2012	4414899.8260498
2013	5007924.07989502
2015	3179657.69767761
2016	3493463.75465393
2017	3288110.01777649
2018	1485758.6622238199
2019	1588292.0026779198
2020	1189313.0540847802
2021	1005180.0012588501
2022	456099.987030029