Year	1 in: rate varies by country
2000	1500
2001	1600
2002	1700
2003	1800
2004	1900
2005	2000
2006	2100
2007	2200
2008	2300
2009	2300
2010	2400
2011	2600
2012	2700
2013	2800
2014	2900
2015	2900
2016	3100
2017	3400
2018	3400
2019	3600
2020	3100