Year Index (Units) 2012 96.028 2013 98.717 2014 100.000 2015 100.913 2016 100.937 2017 104.930 2018 109.407 2019 114.348 2020 119.270 2021 124.780 2022 133.246 2023 141.379 2024 148.165 2025 153.944 2026 159.486 2027 164.908 2028 170.185 2029 175.291