Year	Number
1995	31000
1996	38000
1997	45000
1998	41000
1999	49000
2000	41000
2001	37000
2002	45000
2003	60000
2004	239000
2005	568000
2006	787000
2007	996000
2008	786000
2009	340000
2010	505000
2011	710000
2012	792000
2013	872000
2014	956000
2015	1194000
2016	1434000
2017	1752000
2018	1995000
2019	2038000
2020	326000