Year	current international $
2000	0
2001	1
2002	1
2003	2
2004	4
2005	5
2006	6
2007	4
2008	5
2009	6
2010	6
2011	7
2012	5
2013	11
2014	18
2015	17
2016	20
2017	21
2018	20
2019	15
2020	14
2021	28