Year	1 in: rate varies by country
2000	10
2001	10
2002	11
2003	11
2004	11
2005	11
2006	11
2007	11
2008	12
2009	11
2010	11
2011	11
2012	12
2013	12
2014	13
2015	13
2016	13
2017	15
2018	15
2019	15
2020	15