Year Percent change (Units) 2012 42.357 2013 -2.742 2014 4.252 2015 52.988 2016 346.054 2017 212.999 2018 83.396 2019 49.288 2020 23.984 2021 30.229 2022 -3.210 2023 40.195 2024 54.754 2025 21.739 2026 8.400 2027 7.925 2028 8.254 2029 8.292