| Month | Seasonal variation value |
| January | −90,584.3 |
| February | −70,172.9 |
| March | −17,375.3 |
| April | −71,211.5 |
| May | −156,815 |
| June | −216,210 |
| July | 445,438.6 |
| August | 606,397.1 |
| September | 7611.507 |
| October | 116,642.3 |
| November | −306,071 |
| December | −247,649 |