Year	Number of
1990	106687.38
1991	107628.34
1992	109672.78
1993	112353.84
1994	113949.96
1995	115968.8
1996	117265.11
1997	119123.69
1998	120370.79
1999	123365.44
2000	127138.24
2001	130648.65
2002	133121.92
2003	132170.85
2004	132487.61
2005	133200.74
2006	130514.15
2007	130188.01
2008	129837.01
2009	129764.12
2010	129941.02
2011	129002.9
2012	129797.3
2013	130661.81
2014	134254.67
2015	135054.72
2016	136375.31