| In November |  2.7% |
| In the beginning of December |  11.4% |
| In the middle of December |  21.2% |
| At the end of December |  30.2% |
| In the beginning of January |  1.8% |
| When kids make me do it |  4.6% |
| Whenever I feel like it |  4.0% |
| I don't have one |  16.4% |
| I don't follow that custom |  7.8% |
