Year	Number
2000	1473887.5
2001	1433610
2002	1372977.5
2003	1285907.5
2004	1189065
2005	1103555
2006	1021424.5
2007	951623.25
2008	910982.5
2009	905280.25
2010	910535.25
2011	920183.75
2012	931844.25
2013	940425.25
2014	926677.25
2015	892083.75
2016	869539.75
2017	846986
2018	815798.5
2019	792972.75
2020	766612.25
2021	741936.75
2022	719560
2023	716727