Year	Number
1988	197034
1990	211814
1992	271279
1993	250633
1994	234023
1996	232906
1997	220698
1998	198625
1999	195154
2000	189389
2001	192031
2002	175487
2003	146179
2004	135927
2005	126338
2006	121618
2007	110297
2008	99873
2009	86979
2010	51796
2011	50015
2012	49717
2013	34152
2014	29142
2015	36716
2016	40045
2017	46787
2018	49168
2019	45921
2020	45334
2021	44312
2022	60444