| Year | Season Best | Age | vs Prior Year | % Change | |
|---|---|---|---|---|---|
| 2026 | 20.07 | — | +0.01 | +0.05% | |
| 2025 | 20.08 | — | +0.21 | +1.03% | |
| 2024 | 20.29 | — | -0.31 | -1.55% | |
| 2023 | 19.98 | — | +0.04 | +0.20% | |
| 2022 | 20.02 | — | -0.03 | -0.15% | |
| 2021 | 19.99 | — | +0.25 | +1.24% | |
| 2020 | 20.24 | — | -0.29 | -1.45% | |
| 2019 | 19.95 | — | +0.03 | +0.15% | PB |
| 2018 | 19.98 | — | +0.19 | +0.94% | PB |
| 2017 | 20.17 | — | -0.17 | -0.85% | |
| 2016 | 20.00 | — | +0.30 | +1.48% | PB |
| 2015 | 20.30 | — | -0.14 | -0.69% | |
| 2014 | 20.16 | — | +0.28 | +1.37% | PB |
| 2013 | 20.44 | — | -0.02 | -0.10% | |
| 2012 | 20.42 | — | +nan | +nan% | PB |