Year	Number of
1990	792.45
1991	852.04
1992	929.84
1993	1018.62
1994	1108.85
1995	1196.67
1996	1255.26
1997	1306.17
1998	1353.69
1999	1406.45
2000	1471.72
2001	1531.75
2002	1606.18
2003	1688.93
2004	1774.09
2005	1860.04
2006	1931.7
2007	1998.51
2008	2068.21
2009	2144.49
2010	2233.52
2011	2296.27
2012	2372.92
2013	2458.18
2014	2547.53
2015	2638.09
2016	2735.07