Year	Number
1960	638101
1961	662571
1962	683648
1963	705395
1964	727866
1965	750988
1966	774877
1967	799526
1968	824996
1969	851203
1970	878280
1971	903424
1972	920836
1973	938534
1974	956597
1975	975007
1976	993798
1977	1012898
1978	1032392
1979	1052262
1980	1072542
1981	1089033
1982	1093478
1983	1097941
1984	1102429
1985	1106923
1986	1111441
1987	1115977
1988	1120539
1989	1125106
1990	1129699
1991	1136350
1992	1149167
1993	1162093
1994	1175182
1995	1188419
1996	1201823
1997	1215341
1998	1229030
1999	1242873
2000	1256892
2001	1271030
2002	1283400
2003	1289908
2004	1296457
2005	1303021
2006	1309628
2007	1316268
2008	1322952
2009	1329650
2010	1336392
2011	1343168
2012	1349747
2013	1356261
2014	1362815
2015	1369401
2016	1376019
2017	1382669
2018	1389351
2019	1393717
2020	1397939
2021	1401786
2022	1405192
2023	1408144