Year	Number
2000	280000
2001	279000
2002	277000
2003	273000
2004	269000
2005	266000
2006	262000
2007	264000
2008	265000
2009	264000
2010	262000
2011	256000
2012	252000
2013	250000
2014	250000
2015	245000
2016	243000
2017	241000
2018	240000
2019	238000
2020	231000