Year	1 in: rate varies by country
2000	4100
2001	4900
2002	4900
2003	5000
2004	4700
2005	4500
2006	4500
2007	4700
2008	4900
2009	4900
2010	5100
2011	5200
2012	5400
2013	5600
2014	5700
2015	5700
2016	5900
2017	6000
2018	6300
2019	6900
2020	7100