Year	1 in: rate varies by country
2000	3900
2001	4200
2002	4400
2003	4400
2004	4600
2005	5100
2006	5800
2007	6300
2008	6500
2009	6800
2010	7000
2011	8200
2012	8500
2013	9100
2014	9200
2015	9300
2016	9000
2017	9700
2018	10300
2019	10900
2020	10900