| Period | N | Mini | Maxi | Mean | Std. error Mean | Std. Deviation | Variance |
CIR | Pre | 6 | 0.52 | 0.60 | 0.5867 | 0.01333 | 0.03266 | 0.001 |
Post | 6 | 0.47 | 0.54 | 0.5200 | 0.01095 | 0.02683 | 0.001 |