Year	current international $
2000	16
2001	17
2002	23
2003	20
2004	18
2005	18
2006	26
2007	34
2008	62
2009	37
2010	25
2011	22
2012	27
2013	25
2014	22
2015	23
2016	23
2017	23
2018	5
2019	5
2020	10
2021	9
2022	6