Year	Number
1996	222.34
1997	258
1998	276.74
1999	310.32
2000	414.71
2001	435.09
2002	395.95
2003	472.93
2004	496.57
2005	571.36
2006	644.8
2007	658.62
2008	730.89
2009	778.13
2010	790.71
2011	862.73
2012	1008.31
2013	1097.96
2014	1188.35
2015	1259.31
2016	1453.71
2017	1528.73
2018	1825.45
2019	2027.58
2020	2268.45