Year % (cumulative) 1970 3.20000004768372 1980 8.30850982666016 2004 50.8833503723145 2006 47.3086891174316 2010 57.6152000427246 2013 57.7843208312988 2016 62.0983200073242 2018 63.2331695556641 2019 68.2362976074219 2022 69.4123001098633