Year	1 in: rate varies by country
2000	510
2001	500
2002	510
2003	460
2004	490
2005	660
2006	670
2007	660
2008	700
2009	730
2010	750
2011	820
2012	920
2013	950
2014	990
2015	1000
2016	1000
2017	1100
2018	1400
2019	1500
2020	1100