Year	Number
1960	399649
1961	410801
1962	422310
1963	434173
1964	446375
1965	458908
1966	471753
1967	485132
1968	499151
1969	513686
1970	528731
1971	544317
1972	560553
1973	577488
1974	594904
1975	612909
1976	631894
1977	651934
1978	672974
1979	695155
1980	718586
1981	742846
1982	768272
1983	795563
1984	824798
1985	855958
1986	888980
1987	923914
1988	960837
1989	999732
1990	1040616
1991	1083536
1992	1127152
1993	1168309
1994	1205882
1995	1242155
1996	1279070
1997	1317002
1998	1356189
1999	1396499
2000	1437539
2001	1479449
2002	1522223
2003	1566257
2004	1612225
2005	1660368
2006	1711294
2007	1764883
2008	1820542
2009	1878119
2010	1937275
2011	1998212
2012	2061014
2013	2124869
2014	2189019
2015	2253133
2016	2317206
2017	2381182
2018	2444916
2019	2508883
2020	2573995
2021	2639916
2022	2705992
2023	2773168