Year annual % 2012 1.9047827853494255 2013 3.436415894709995 2014 4.905392819577955 2015 3.1212060245506876 2016 2.8901524084268004 2017 3.0435501817884614 2018 2.8040698457989066 2019 2.738347402747536 2020 -1.0785322704298892 2021 2.852199322372215 2022 1.7643943524397372