Year	Number
2000	279000
2001	279000
2002	276000
2003	271000
2004	266000
2005	260000
2006	255000
2007	250000
2008	246000
2009	241000
2010	235000
2011	228000
2012	221000
2013	214000
2014	203000
2015	194000
2016	184000
2017	174000
2018	165000
2019	157000
2020	151000