Year	Number
1996	100
1998	100
2000	100
2002	91.5343933105469
2003	72.3618087768555
2004	90.7766952514648
2005	90.7766952514648
2006	74.3961334228516
2007	78.260871887207
2008	69.2307662963867
2009	68.7203826904297
2010	64.9289093017578
2011	63.5071105957031
2012	61.6113739013672
2013	64.9289093017578
2014	64.7619018554688
2015	61.4285697937012
2016	64.7619018554688
2017	64.7619018554688
2018	78.7735824584961
2019	77.8301849365234
2020	77.3584899902344
2021	83.4905624389648
2022	83.9622650146484