Year	current US$
1991	280000.001192093
1992	39999.9991059303
1999	800000.011920929
2003	159999.99642372102
2012	9999.99977648258
2013	1460000.03814697
2014	189999.99761581398
2015	469999.998807907
2016	6050000.19073486
2017	14100000.3814697
2018	7159999.84741211
2019	5579999.92370605
2020	6300000.19073486
2021	3410000.08583069
2022	2930000.0667572