Characteristic,Female,Male
2019,5.9,5.8
2018,5.83,5.73
2017,5.77,5.67
2016,5.7,5.6
2015,5.64,5.54
2014,5.58,5.49
2013,5.51,5.44
2012,5.45,5.39
2011,5.39,5.35
2010,5.33,5.3
2009,5.27,5.25