Year	1 in: rate varies by country
2000	19
2001	21
2002	23
2003	24
2004	25
2005	25
2006	26
2007	25
2008	24
2009	27
2010	27
2011	27
2012	26
2013	27
2014	28
2015	30
2016	33
2017	34
2018	35
2019	38
2020	37