Year Index (Units) 2012 96.028 2013 98.717 2014 100.000 2015 100.292 2016 101.509 2017 107.692 2018 111.160 2019 114.640 2020 120.180 2021 126.990 2022 134.680 2023 143.570 2024 149.744 2025 155.284 2026 160.719 2027 166.023 2028 171.169 2029 175.620