Year	Number
2000	221000
2001	222000
2002	223000
2003	219000
2004	219000
2005	219000
2006	218000
2007	220000
2008	224000
2009	224000
2010	224000
2011	219000
2012	216000
2013	216000
2014	216000
2015	213000
2016	212000
2017	212000
2018	211000
2019	210000
2020	206000