Las Rozas — 2009 Next
| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 436 | 5 | 11 | 0 | 0 |
| February | 371 | 2 | 27 | 0 | 0 |
| March | 456 | 801 | 24 | 8 | 1 |
| April | 17 | 206 | 11 | 23 | 2 |
| May | 34 | 3 | 137 | 38 | 715 |
| June | 19 | 1 | 75 | 17 | 61 |
| July | 4 | 1 | 37 | 6 | 6 |
| August | 2 | 0 | 7 | 2 | 3 |
| September | 2 | 1 | 6 | 1 | 1 |
| October | 31 | 2 | 2 | 1 | 1 |
| November | 18 | 2 | 2 | 1 | 1 |
| December | 31 | 0 | 1 | 1 | 1 |