Year	1 in: rate varies by country
2000	23
2001	24
2002	24
2003	25
2004	26
2005	26
2006	27
2007	28
2008	28
2009	28
2010	29
2011	31
2012	32
2013	32
2014	33
2015	35
2016	36
2017	37
2018	37
2019	38
2020	41