Year	Number
1960	1266117
1961	1296257
1962	1321166
1963	1340098
1964	1353824
1965	1362682
1966	1366491
1967	1364855
1968	1358008
1969	1347374
1970	1334470
1971	1320942
1972	1307607
1973	1293373
1974	1277226
1975	1259577
1976	1240687
1977	1220806
1978	1200555
1979	1180977
1980	1163604
1981	1150483
1982	1142105
1983	1136753
1984	1132453
1985	1127547
1986	1120950
1987	1112650
1988	1103277
1989	1092521
1990	1079861
1991	1066420
1992	1029092
1993	978190
1994	938453
1995	912270
1996	901395
1997	889644
1998	870784
1999	846770
2000	820173
2001	792980
2002	766065
2003	738950
2004	710806
2005	683964
2006	660033
2007	640441
2008	627866
2009	618355
2010	607042
2011	592032
2012	574424
2013	557358
2014	543159
2015	531982
2016	522937
2017	515306
2018	508610
2019	502109
2020	495240
2021	488002
2022	480802
2023	473272