Year	Number
1996	52.7638206481934
1998	52
2000	40.7960205078125
2002	42.7860679626465
2003	45.2736320495605
2004	56.730770111084
2005	51.6746406555176
2006	46.8899536132813
2007	50.2392349243164
2008	53.3653831481934
2009	53.0805702209473
2010	52.6066360473633
2011	53.9906120300293
2012	54.9295768737793
2013	54.4600944519043
2014	62.5
2015	57.1428565979004
2016	51.9047622680664
2017	52.3809509277344
2018	51.9047622680664
2019	51.4285697937012
2020	55.238094329834
2021	55.7142868041992
2022	56.1320762634277