Year	Number
1996	94.99
1997	118.96
1998	111.63
1999	118.22
2000	158.13
2001	134.94
2002	196.94
2003	178.93
2004	253.94
2005	316.17
2006	350.6
2007	427
2008	503.25
2009	650.21
2010	694.54
2011	745.11
2012	782.33
2013	945.53
2014	888.54
2015	926.12
2016	1045.73
2017	1205.27
2018	1247.91
2019	1321.39
2020	1485.23
