Year	Number
1990	2855340
1991	2869573
1992	2882083
1993	2906145
1994	2984665
1995	2926968
1996	2932325
1997	2923179
1998	2906951
1999	2870415
2000	2829782
2001	2773819
2002	2709872
2003	2647254
2004	2585347
2005	2524509
2006	2469523
2007	2415628
2008	2359723
2009	2306263
2010	2277033
2011	2215210
2012	2169013
2013	2122906
2014	2084400
2015	2053231
2016	2018536
2017	1991076
2018	1966308
2019	1944329
2020	1917669
2021	1891842
2022	1866274