Year	current US$
2008	820000
2009	500000
2010	1360000
2011	1500000
2012	660000
2013	570000
2014	440000
2015	410000
2016	410000
2017	460000
2018	570000
2019	550000
2020	250000
2021	3860000
2022	22840000