Year	Number
2004	67.4757308959961
2005	68.4466018676758
2006	68.1159439086914
2007	59.9033813476563
2008	59.6153831481934
2009	59.7156410217285
2010	59.7156410217285
2011	70.6161117553711
2012	72.0379180908203
2013	71.0900497436523
2014	70.9523773193359
2015	71.9047622680664
2016	67.1428604125977
2017	70
2018	69.3396224975586
2019	76.8867950439453
2020	77.3584899902344
2021	77.3584899902344
2022	74.5283050537109