Year	current US$
1990	300000.011920929
1991	460000.00834465
1992	140000.000596046
1993	19999.9995529652
1994	29999.999329447703
1995	239999.994635582
1996	9999.99977648258
1997	119999.997317791
1998	100000.00149011599
1999	219999.998807907
2000	109999.999403954
2002	319999.99284744303
2003	239999.994635582
2004	610000.014305115
2005	300000.011920929
2006	219999.998807907
2007	449999.988079071
2008	569999.992847443
2009	620000.004768372
2010	870000.004768372
2011	1669999.95708466
2012	1399999.97615814
2013	2220000.02861023
2014	2319999.9332428
2015	1929999.94754791
2016	2359999.89509583
2017	3559999.94277954
2018	3140000.10490417
2019	4719999.79019165
2020	4360000.1335144
2021	4530000.20980835
2022	4750000