Year	1 in: rate varies by country
2000	36
2001	35
2002	34
2003	34
2004	33
2005	34
2006	34
2007	37
2008	36
2009	31
2010	30
2011	29
2012	29
2013	30
2014	29
2015	30
2016	31
2017	32
2018	35
2019	37
2020	36