Year	Number
1996	117.49
1997	130.21
1998	129.96
1999	122.21
2000	118.07
2001	152.21
2002	191.66
2003	211.67
2004	209.46
2005	282.86
2006	313.83
2007	317.67
2008	326.04
2009	350.01
2010	357.4
2011	400.98
2012	410.77
2013	473.08
2014	566.45
2015	593.41
2016	669.64
2017	789.61
2018	869.43
2019	922.96
2020	1130.5