Table Head | Difference in means between periods | SD | Sig. K.Wallis | ||||
West | South | East | West | South | East | P value | |
2019/01-2019/12 vs 2021/01-2021/12 | 28.68 (decrease) | 24.26 (decrease) | 23.82 (decrease) | 5.17 | 6.84 | 3.98 | 0.045* |