Year	Number of
1990	790.85
1991	829.58
1992	873.19
1993	915.34
1994	961.66
1995	1013.65
1996	1055.74
1997	1110.09
1998	1169.39
1999	1217.07
2000	1259.56
2001	1305.49
2002	1344.16
2003	1390.73
2004	1450.24
2005	1496.64
2006	1533.99
2007	1568.75
2008	1602.13
2009	1647.36
2010	1702.17
2011	1744.53
2012	1798.59
2013	1857.96
2014	1919.95
2015	1986.21
2016	2022.38