Year	current US$
1997	500000
1998	319999.99284744303
2007	289999.99165535
2008	1460000.03814697
2009	1100000.02384186
2010	850000.023841858
2011	800000.011920929
2012	1169999.95708466
2013	1769999.98092651
2014	1809999.9427795399
2015	730000.019073486
2016	479999.989271164
2017	810000.002384186
2018	1049999.95231628
2019	569999.992847443
2020	800000.011920929
2021	879999.995231628
2022	959999.978542328