Year	Number
1990	194865
1991	183969
1992	173031
1993	162863
1994	154913
1995	151213
1996	147578
1997	145536
1998	143863
1999	141104
2000	138822
2001	136878
2002	134824
2003	131000
2004	138926
2005	126117
2006	122002
2007	116040
2008	116498
2009	103801
2010	97515
2011	92009
2012	87882
2013	84350
2014	81382
2015	78960
2016	76866
2017	74854
2018	72796
2019	70814
2020	69141
2021	68195
2022	67694