Year	Number
1960	1205031
1961	1179808
1962	1157609
1963	1135659
1964	1113984
1965	1092288
1966	1073702
1967	1055896
1968	1036317
1969	1016431
1970	998714
1971	980763
1972	961831
1973	943557
1974	924147
1975	903388
1976	882632
1977	870832
1978	859096
1979	846933
1980	833875
1981	823805
1982	817570
1983	811434
1984	805438
1985	800242
1986	795833
1987	791356
1988	786304
1989	781335
1990	779212
1991	779794
1992	780980
1993	782186
1994	783426
1995	786105
1996	789145
1997	791005
1998	792450
1999	793693
2000	795603
2001	795779
2002	792950
2003	789180
2004	780089
2005	766524
2006	755890
2007	748599
2008	742353
2009	737112
2010	732572
2011	726570
2012	718964
2013	713546
2014	710514
2015	708958
2016	707867
2017	705807
2018	702536
2019	698080
2020	693004
2021	688752
2022	686700
2023	684197