Year	Number
1974	4595664
1975	4497410
1976	4148437
1977	3955763
1978	3745398
1979	3734006
1980	2049225
1981	2043857
1982	1516069
1983	1740555
1984	1916761
1985	1809877
1986	1445918
1987	1060186
1988	822007
1989	577564
1990	335636
1991	282054
1992	503757
1993	764771
1994	932411
1995	753054
1996	1001290
1997	830536
1998	659311
1999	485148
2000	569221
2001	407334
2002	683071
2003	594378
2004	520806
2005	210807
2006	202624
2007	86819
2008	142640
2009	427244
2010	609421
2011	930206
2012	684758
2013	624323
2014	512450
2015	455639
2016	90005
2017	99012
2018	101223