Year	Number
2000	260000
2001	262000
2002	264000
2003	266000
2004	266000
2005	267000
2006	266000
2007	265000
2008	265000
2009	264000
2010	253000
2011	243000
2012	233000
2013	224000
2014	215000
2015	206000
2016	198000
2017	189000
2018	181000
2019	174000
2020	167000