Year	Number
1960	27090467
1961	27280397
1962	27496932
1963	27689292
1964	27856762
1965	28024396
1966	28168529
1967	28310001
1968	28437297
1969	28546014
1970	28650499
1971	28759083
1972	28845477
1973	28890515
1974	28898904
1975	28889090
1976	28875455
1977	28860651
1978	28859166
1979	28883344
1980	28918046
1981	28930335
1982	28923024
1983	28937208
1984	28988606
1985	29059522
1986	29131292
1987	29197428
1988	29265403
1989	29342658
1990	29430816
1991	29521874
1992	29600247
1993	29668038
1994	29738839
1995	29811848
1996	29879838
1997	29946015
1998	30020559
1999	30105897
2000	30197282
2001	30296779
2002	30406325
2003	30526615
2004	30678379
2005	30867389
2006	31072904
2007	31293296
2008	31516343
2009	31732553
2010	31960504
2011	32189405
2012	32390769
2013	32584323
2014	32802913
2015	33041408
2016	33270675
2017	33477363
2018	33662065
2019	33835792
2020	33948108
2021	33913559
2022	34291141
2023	34561278