Year % 2010 4.72033072957954 2011 4.41781877081119 2012 5.76775100732085 2013 20.1302259830138 2014 19.7351789788204 2015 17.6985743714901 2016 25.0939937723464 2017 27.5258097844518 2018 36.9237925384333 2019 49.0658298487693 2020 52.2420807240481 2021 55.0803396620946 2022 55.4109645865667