Year	Number
2000	460000
2001	462000
2002	463000
2003	464000
2004	465000
2005	466000
2006	466000
2007	465000
2008	476000
2009	488000
2010	499000
2011	511000
2012	524000
2013	537000
2014	549000
2015	562000
2016	574000
2017	583000
2018	591000
2019	599000
2020	591000