Year	Number
1960	47093
1961	48275
1962	49508
1963	50780
1964	52092
1965	53444
1966	54428
1967	54990
1968	55511
1969	56324
1970	57437
1971	58535
1972	59606
1973	60598
1974	60953
1975	60675
1976	60310
1977	59894
1978	59465
1979	59775
1980	60813
1981	61875
1982	62977
1983	64121
1984	65338
1985	66708
1986	68266
1987	69946
1988	71680
1989	73436
1990	75124
1991	76612
1992	77901
1993	79093
1994	80264
1995	81481
1996	82832
1997	84308
1998	85805
1999	87289
2000	88826
2001	90531
2002	92400
2003	94302
2004	96224
2005	98164
2006	100083
2007	101998
2008	103966
2009	105996
2010	107995
2011	109871
2012	111618
2013	113311
2014	114985
2015	116707
2016	118513
2017	120362
2018	122261
2019	124241
2020	126463
2021	128874
2022	131232
2023	133515