| Year | Spelling (R2)1 | Pseudo Word (R2)2 | Sight Word (R2)3 | Fluency (R2)3 |
| 2015 | 0.975 (0.47) | 0.878 (0.47) | 0.711 (0.54) | 0.795 (0.53) |
| 2016 | 1.225 (0.56) | 0.691 (0.58) | 0.674 (0.34) | 0.810 (0.56) |
| 2017 | 1.437 (0.37) | 1.027 (0.40) | 0.771 (0.51) | 0.843 (0.44) |