Year	1 in: rate varies by country
2000	1400
2001	1500
2002	1500
2003	1500
2004	1600
2005	2000
2006	2300
2007	2800
2008	2500
2009	2700
2010	2600
2011	3800
2012	4000
2013	4200
2014	4700
2015	4900
2016	3700
2017	4500
2018	5000
2019	5500
2020	5700