Year Number 1996 53.0054626464844 1998 53.0054626464844 2000 52.4590148925781 2002 62.7027015686035 2003 58.3783798217773 2004 41.2935333251953 2005 53.9215698242188 2006 55.1219520568848 2007 34.9514579772949 2008 15.0485439300537 2009 11.0047845840454 2010 19.1387557983398 2011 18.9573459625244 2012 15.1658763885498 2013 15.1658763885498 2014 39.4230766296387 2015 40.9523811340332 2016 42.3809509277344 2017 63.8095245361328 2018 75.7142868041992 2019 75.2380981445313 2020 70.9523773193359 2021 72.8571395874023 2022 71.2264175415039