Year	Number
2000	5152382.5
2001	5007927.5
2002	4920780
2003	4862237.5
2004	5458587.5
2005	5124710
2006	4750187.5
2007	4405702.5
2008	4142612.5
2009	3825240
2010	3718082.5
2011	3577037.5
2012	3511112.5
2013	3521245
2014	3602040
2015	3694395
2016	3716777.5
2017	3773562.5
2018	3875075
2019	4001450
2020	4147352.5
2021	4248957.5
2022	4386512.5
2023	4425595
