DAIPS · 1991
Activity by month.
| Month | Sectors | Movements |
|---|---|---|
| January | — | 6 |
| February | — | 8 |
| March | — | 6 |
| April | — | 14 |
| May | — | 12 |
| June | — | 13 |
| July | — | 9 |
| August | — | 7 |
| September | — | 13 |
| October | — | 8 |
| November | — | 12 |
| December | — | 10 |
Historical flight & ship archive
Activity by month.
| Month | Sectors | Movements |
|---|---|---|
| January | — | 6 |
| February | — | 8 |
| March | — | 6 |
| April | — | 14 |
| May | — | 12 |
| June | — | 13 |
| July | — | 9 |
| August | — | 7 |
| September | — | 13 |
| October | — | 8 |
| November | — | 12 |
| December | — | 10 |