Year	Number
1996	118.37
1997	123.5
1998	157.74
1999	148.2
2000	208.8
2001	236.03
2002	247.47
2003	301.33
2004	307.75
2005	319.95
2006	349.79
2007	412.66
2008	440.25
2009	484.39
2010	523.19
2011	587.1
2012	593.29
2013	654.62
2014	670.43
2015	742.38
2016	768.34
2017	751.89
2018	818.1
2019	949.02
2020	1083.3