Year annual % 2014 1.26230441351029 2015 1.80710082094966 2016 0.302782333572253 2017 0.562231530282162 2018 0.656016212542539 2019 0.449797430981619 2020 1.77780976577866 2021 1.70103136920274 2022 4.61922015773493 2023 4.56452579428684