Year	Number
1996	576.43
1997	698.71
1998	888.57
1999	949.4
2000	956.5
2001	1003.81
2002	953.97
2003	792.51
2004	788
2005	961.5
2006	1226.33
2007	1099.8
2008	1159.75
2009	1421.47
2010	1298.38
2011	1514.66
2012	1518.44
2013	1564.12
2014	1466.39
2015	1339.17
2016	1142.94
2017	1127.54
2018	1149.62
2019	1094.27
2020	1287.89