| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 334 | 6.475,59 | 19,39 | 2 |
| 2008 | 119 | 2.697,98 | 22,67 | 2 |
| 2009 | 154 | 3.527,11 | 22,90 | 3 |
| 2010 | 175 | 3.518,95 | 20,11 | 3 |
| 2011 | 134 | 2.553,90 | 19,06 | 2 |
| 2012 | 231 | 4.502,43 | 19,49 | 3 |
| 2013 | 285 | 5.419,50 | 19,02 | 3 |
| 2014 | 269 | 6.319,88 | 23,49 | 3 |
| 2015 | 291 | 7.214,95 | 24,79 | 4 |
| 2016 | 316 | 8.459,16 | 26,77 | 4 |
| 2017 | 317 | 8.634,21 | 27,24 | 4 |
| 2018 | 297 | 6.968,30 | 23,46 | 4 |
| 2019 | 291 | 7.408,58 | 25,46 | 4 |
| 2020 | 274 | 8.023,37 | 29,28 | 4 |
| 2021 | 274 | 7.854,74 | 28,67 | 4 |
| 2022 | 260 | 7.663,24 | 29,47 | 4 |
| 2023 | 269 | 7.621,68 | 28,33 | 6 |
| 2024 | 261 | 7.286,20 | 27,92 | 6 |
| totale | 4.551 | 112.149,77 | 24,64 | 65 |