Year	Number
1960	706577
1961	722150
1962	739247
1963	751715
1964	758161
1965	772028
1966	786644
1967	796075
1968	811341
1969	822805
1970	839412
1971	855958
1972	867110
1973	880774
1974	903672
1975	956141
1976	1002862
1977	1028045
1978	1056965
1979	1087751
1980	1118903
1981	1144545
1982	1165607
1983	1181008
1984	1194106
1985	1215918
1986	1244635
1987	1272805
1988	1301402
1989	1332677
1990	1363238
1991	1393783
1992	1425508
1993	1455584
1994	1485436
1995	1517271
1996	1549113
1997	1581155
1998	1613246
1999	1641146
2000	1674526
2001	1712907
2002	1745264
2003	1773700
2004	1803370
2005	1830600
2006	1854066
2007	1877657
2008	1903081
2009	1933286
2010	1965930
2011	1997988
2012	2026030
2013	2057093
2014	2093394
2015	2128885
2016	2164536
2017	2200668
2018	2233473
2019	2265187
2020	2295912
2021	2337699
2022	2383516
2023	2452868