The IGS numbers after the NVI-reporting for 2019 in Cristin are ready. Here you can see the numbers from the last 4 years for comparison.
| Year | Numbers total | Level 1 | Level 2 | Periodical articles | Anthology articles | Monographs |
| 2019 | 372 | 294 | 78 | 364 | 8 | 0 |
| 2018 | 365 | 277 | 88 | 358 | 7 | 0 |
| 2017 | 389 | 291 | 98 | 385 | 2 | 2 |
| 2016 | 365 | 274 | 91 | 363 | 2 | 0 |