| Coefficients | Start Year, YS | ||
| 2020 | 2025 | 2030 | |
| A | 4.1667e−5 | 3.5714e−5 | 2.9716e−5 |
| B | −0.16125 | −0.13667 | −0.11189 |
| C | 156.92 | 131.62 | 106.13 |
| R2 | 0.99976 | 0.99972 | 0.99983 |