Year	Number
1960	1258145
1961	1232070
1962	1205277
1963	1184064
1964	1172408
1965	1160914
1966	1144739
1967	1126573
1968	1109297
1969	1095224
1970	1078311
1971	1065984
1972	1067464
1973	1080950
1974	1108132
1975	1140367
1976	1170545
1977	1197196
1978	1217958
1979	1231703
1980	1237109
1981	1238961
1982	1241580
1983	1242929
1984	1242021
1985	1237929
1986	1230035
1987	1216909
1988	1196353
1989	1167898
1990	1132935
1991	1100895
1992	1073823
1993	1046480
1994	1017421
1995	987966
1996	961022
1997	936056
1998	912759
1999	889887
2000	865866
2001	842030
2002	821149
2003	802454
2004	785691
2005	771495
2006	759875
2007	755205
2008	757663
2009	763602
2010	774234
2011	785958
2012	795737
2013	804879
2014	815197
2015	826004
2016	835895
2017	846093
2018	856807
2019	867503
2020	874771
2021	861098
2022	871932
2023	879587