Year	Number
1960	49087200
1961	48967259
1962	48955708
1963	49014231
1964	49033259
1965	49114828
1966	49198400
1967	49098900
1968	49056075
1969	49255985
1970	49281574
1971	49296569
1972	49534072
1973	49778985
1974	49962659
1975	50020033
1976	50123464
1977	50335783
1978	50630716
1979	51039669
1980	51621171
1981	52327724
1982	52983012
1983	53523737
1984	53841127
1985	53933079
1986	53999475
1987	54051619
1988	54167870
1989	54462370
1990	54775060
1991	55022968
1992	55331456
1993	55584804
1994	55678803
1995	55783193
1996	55926158
1997	56014679
1998	56031389
1999	55988420
2000	55870870
2001	55754780
2002	55661657
2003	55504907
2004	55245312
2005	54928804
2006	54601018
2007	54364149
2008	54181517
2009	53968471
2010	53930401
2011	53064867
2012	53223281
2013	53359211
2014	53484793
2015	53786433
2016	54016360
2017	53973322
2018	53871540
2019	53703580
2020	53459730
2021	53209258
2022	53319483
2023	53447147