| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 77 | 1.798,35 | 23,36 | 1 |
| 2009 | 27 | 752,91 | 27,89 | 1 |
| 2010 | 42 | 803,23 | 19,12 | 1 |
| 2011 | 90 | 1.583,83 | 17,60 | 1 |
| 2012 | 125 | 3.039,40 | 24,32 | 2 |
| 2013 | 194 | 4.472,79 | 23,06 | 2 |
| 2014 | 358 | 9.087,76 | 25,38 | 2 |
| 2015 | 328 | 9.258,45 | 28,23 | 3 |
| 2016 | 329 | 9.109,29 | 27,69 | 3 |
| 2017 | 377 | 11.217,33 | 29,75 | 3 |
| 2018 | 439 | 12.340,28 | 28,11 | 4 |
| 2019 | 358 | 10.820,88 | 30,23 | 4 |
| 2020 | 315 | 9.999,41 | 31,74 | 4 |
| 2021 | 321 | 10.337,73 | 32,20 | 5 |
| 2022 | 293 | 9.692,77 | 33,08 | 5 |
| 2023 | 363 | 9.502,21 | 26,18 | 5 |
| 2024 | 312 | 8.697,68 | 27,88 | 5 |
| totale | 4.348 | 122.514,30 | 28,18 | 51 |