Year	current US$
2005	14229999.5422363
2006	17559999.4659424
2007	21420000.0762939
2008	29290000.915527303
2009	25250000
2010	22319999.6948242
2011	19000000
2012	19079999.9237061
2013	20630001.068115197
2014	20219999.3133545
2015	25110000.6103516
2016	27809999.4659424
2017	24909999.8474121
2018	29289999.0081787
2019	31010000.2288818
2020	30180000.3051758
2021	46080001.8310547
2022	52550000.97118314