Table 2.
Number of observations of each database.
| Year | Presentation | Number of Students |
|---|---|---|
| P1 | 40 | |
| 2017 | P2 | 22 |
| P3 | 22 | |
| P1 | 59 | |
| 2018 | P2 | 45 |
| P3 | 34 |
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