Year	Number
1960	357616
1961	362946
1962	372355
1963	383929
1964	397621
1965	413576
1966	431581
1967	451277
1968	472299
1969	494536
1970	514132
1971	529558
1972	545443
1973	563569
1974	583389
1975	607523
1976	639759
1977	680201
1978	727931
1979	782562
1980	832834
1981	869547
1982	899494
1983	927707
1984	954092
1985	978853
1986	1003023
1987	1027787
1988	1052401
1989	1075572
1990	1101030
1991	1132850
1992	1169936
1993	1209508
1994	1249071
1995	1291153
1996	1344332
1997	1409298
1998	1480253
1999	1555604
2000	1625612
2001	1686554
2002	1748402
2003	1812454
2004	1875229
2005	1936651
2006	1999145
2007	2068832
2008	2149020
2009	2237507
2010	2325454
2011	2404458
2012	2482254
2013	2569119
2014	2665069
2015	2752870
2016	2835198
2017	2929300
2018	3035729
2019	3156608
2020	3289583
2021	3398978
2022	3515240
2023	3670188