Year	Number of
1990	849.08
1991	901.46
1992	941.74
1993	977.73
1994	1008.93
1995	1052.66
1996	1087.41
1997	1110.97
1998	1128.63
1999	1180.28
2000	1209.72
2001	1259.81
2002	1302.74
2003	1371.23
2004	1428.51
2005	1487.6
2006	1540.81
2007	1552.7
2008	1589.19
2009	1656.96
2010	1739.48
2011	1755.85
2012	1809
2013	1838.82
2014	1894.89
2015	1960.79
2016	2023.63
