| Year | Season Best | Age | vs Prior Year | % Change | |
|---|---|---|---|---|---|
| 2026 | 19.84 | — | +0.29 | +1.44% | |
| 2025 | 20.13 | — | -0.15 | -0.75% | |
| 2024 | 19.98 | — | -0.22 | -1.11% | |
| 2023 | 19.76 | — | +0.62 | +3.04% | |
| 2022 | 20.38 | — | -0.76 | -3.87% | |
| 2021 | 19.62 | — | +0.62 | +3.06% | PB |
| 2020 | 20.24 | — | -0.37 | -1.86% | |
| 2019 | 19.87 | — | +0.59 | +2.88% | |
| 2018 | 20.46 | — | -0.45 | -2.25% | |
| 2017 | 20.01 | — | -0.21 | -1.06% | |
| 2016 | 19.80 | — | +0.08 | +0.40% | PB |
| 2015 | 19.88 | — | +0.50 | +2.45% | PB |
| 2014 | 20.38 | — | +nan | +nan% | PB |