Year	current US$
1995	11000000
1996	19000000
1997	21000000
1998	20000000
1999	28000000
2012	48000000
2013	41000000
2014	37000000
2015	29000000
2016	30000000
2017	23000000
2018	4000000
2019	11199999.8092651
2020	5500000