Year	Number
1998	2588189.75
1999	2637736
2000	2652211.25
2001	2669555.5
2002	2653143.5
2003	2627432.75
2004	2526185.25
2005	2412107.75
2006	2412735.25
2007	2398146.5
2008	2327927.5
2009	2292623.5
2010	2254496.5
2011	2214993.25
2012	2220046
2013	2262513.75
2014	2293249.5
2015	2332698.5
2016	2422615.5
2017	2476500.75
2018	2525757.25
2019	2566126.5
2020	2243314.5
2021	2685671.25
2022	2742351.75