Year annual % 2011 6.037246954843738 2012 6.035760581536678 2013 5.3898332571107375 2014 4.653832749855738 2015 4.9385776260215835 2016 5.167672060751769 2017 5.070014465864972 2018 5.354495998098059 2019 4.984891809533693 2020 -1.7207985039208609 2021 3.625368234202625 2022 5.12711427052453 2023 5.300032148385796