Year	Number
1996	124.99
1997	135.69
1998	130.02
1999	129.11
2000	139.15
2001	117.26
2002	148.88
2003	150.16
2004	172.23
2005	186.29
2006	188.67
2007	232.14
2008	255.85
2009	303.03
2010	351.28
2011	405.7
2012	511.65
2013	582.17
2014	622.95
2015	774.04
2016	985.93
2017	1085.32
2018	1318.29
2019	1559.81
2020	2106.28