Year	1 in: rate varies by country
2000	2300
2001	2300
2002	2300
2003	2500
2004	2600
2005	2600
2006	2600
2007	2600
2008	2700
2009	2800
2010	2900
2011	2800
2012	2900
2013	2900
2014	2900
2015	2900
2016	3000
2017	2900
2018	3000
2019	3000
2020	2900