MAPS, San Pedro de Atacama 2021 | Monthly Breakdown
| Month | Editorial | Discovery | P/R/FU | DOU | List Update | Retraction | Other | Follow-Up | First Follow-Up |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Feb | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Mar | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr | 0 | 4 | 1 | 5 | 0 | 0 | 0 | 2 | 2 |
| May | 0 | 8 | 1 | 5 | 0 | 0 | 0 | 0 | 0 |
| Jun | 0 | 10 | 3 | 4 | 0 | 0 | 0 | 3 | 2 |
| Jul | 0 | 8 | 2 | 4 | 0 | 0 | 0 | 0 | 0 |
| Aug | 0 | 7 | 1 | 5 | 0 | 0 | 0 | 3 | 2 |
| Sep | 0 | 4 | 3 | 13 | 0 | 0 | 0 | 0 | 0 |
| Oct | 0 | 4 | 2 | 13 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 10 | 3 | 13 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 2 | 1 | 9 | 0 | 0 | 0 | 0 | 0 |