Year	Number
1996	171297.03416303167
1997	183859.17363740146
1998	192525.84865949748
1999	200340.75881215688
2000	215660.59955364725
2001	237265.40578137338
2002	248146.92618867656
2003	270713.6862958274
2004	318333.41508281854
2005	386196.98643344844
2006	427291.7242413395
2007	453474.64875771065
2008	496271.65588370565
2009	545209.6346697201
2010	582728.9499904695
2011	612238.5681343907
2012	620621.270438957
2013	655446.2604977245
2014	687064.7885741695
2015	709707.3351571675
2016	746116.9301525917
2017	786358.6693265528
2018	865640.4025108233
2019	964757.1847564583
2020	1038821.4658306834