| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 234 | 3.407,35 | 14,56 | 1 |
| 2009 | 106 | 2.072,12 | 19,55 | 2 |
| 2010 | 89 | 1.328,19 | 14,92 | 4 |
| 2011 | 21 | 442,42 | 21,07 | 1 |
| 2012 | 216 | 4.687,77 | 21,70 | 5 |
| 2013 | 189 | 3.187,79 | 16,87 | 5 |
| 2014 | 174 | 4.146,24 | 23,83 | 5 |
| 2015 | 196 | 4.626,24 | 23,60 | 4 |
| 2016 | 192 | 4.659,60 | 24,27 | 5 |
| 2017 | 415 | 10.081,91 | 24,29 | 6 |
| 2018 | 581 | 14.877,83 | 25,61 | 6 |
| 2019 | 583 | 14.698,77 | 25,21 | 6 |
| 2020 | 485 | 12.542,03 | 25,86 | 6 |
| 2021 | 395 | 9.161,60 | 23,19 | 5 |
| 2022 | 127 | 2.635,99 | 20,76 | 2 |
| 2023 | 120 | 2.330,30 | 19,42 | 3 |
| 2024 | 128 | 2.646,22 | 20,67 | 4 |
| totale | 4.251 | 97.532,37 | 22,94 | 70 |