Year	Number
1996	1285.54
1997	1352.75
1998	1312.38
1999	1133.6
2000	1203.02
2001	1330.16
2002	1325.49
2003	1268.25
2004	1268.85
2005	1329.79
2006	1200.6
2007	1300.85
2008	1059.23
2009	1156.45
2010	1050.5
2011	1082.13
2012	1038.01
2013	1093.63
2014	1052.95
2015	974
2016	989.55
2017	1067.67
2018	1195.57
2019	1341.81
2020	1352.11