Year % (cumulative) 1970 1.52399003505707 1980 6.62318992614746 2004 23.8372497558594 2006 24.0099506378174 2010 28.7408790588379 2013 30.5139503479004 2016 33.5154113769531 2018 34.0320205688477 2019 35.4151496887207 2022 39.8512802124023