Year	1 in: rate varies by country
2000	940
2001	1100
2002	1100
2003	1100
2004	1500
2005	1600
2006	1600
2007	1700
2008	1800
2009	1800
2010	1800
2011	2000
2012	2000
2013	2100
2014	2000
2015	2900
2016	3100
2017	3100
2018	3200
2019	3100
2020	2600
