Year Number 1996 69.3467330932617 1998 70.5 2000 66.6666641235352 2002 57.7114410400391 2003 58.7064666748047 2004 23.5576915740967 2005 25.3588523864746 2006 32.0574150085449 2007 24.8803825378418 2008 31.730770111084 2009 30.8056869506836 2010 31.2796211242676 2011 36.6197166442871 2012 38.4976539611816 2013 39.9061050415039 2014 35.5769233703613 2015 37.6190490722656 2016 43.8095245361328 2017 47.1428565979004 2018 47.6190490722656 2019 50.476188659668 2020 53.3333320617676 2021 40 2022 43.8679237365723