Year Number 2004 56.2189064025879 2005 57.3529396057129 2006 54.1463432312012 2007 36.4077682495117 2008 37.8640785217285 2009 44.0191383361816 2010 39.7129173278809 2011 23.222749710083 2012 30.8056869506836 2013 34.5971565246582 2014 33.1730766296387 2015 46.6666679382324 2016 50.476188659668 2017 67.1428604125977 2018 59.523811340332 2019 57.1428565979004 2020 64.7619018554688 2021 61.9047622680664 2022 64.1509399414063