Year	Number
2006	83.4146347045898
2007	72.8155364990234
2008	72.8155364990234
2009	61.7224884033203
2010	53.5885162353516
2011	57.3459701538086
2012	60.6635055541992
2013	59.7156410217285
2014	59.6153831481934
2015	54.2857131958008
2016	53.3333320617676
2017	54.761905670166
2018	51.9047622680664
2019	55.238094329834
2020	57.1428565979004
2021	58.5714302062988
2022	61.3207550048828