| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 317 | 6.401,58 | 20,19 | 3 |
| 2008 | 121 | 3.089,29 | 25,53 | 2 |
| 2009 | 105 | 2.342,65 | 22,31 | 3 |
| 2010 | 49 | 1.709,44 | 34,89 | 2 |
| 2011 | 77 | 1.363,12 | 17,70 | 3 |
| 2012 | 121 | 2.065,92 | 17,07 | 3 |
| 2013 | 203 | 3.286,52 | 16,19 | 4 |
| 2014 | 266 | 5.365,78 | 20,17 | 4 |
| 2015 | 254 | 5.185,57 | 20,42 | 5 |
| 2016 | 349 | 6.686,64 | 19,16 | 5 |
| 2017 | 342 | 6.880,39 | 20,12 | 5 |
| 2018 | 389 | 7.620,82 | 19,59 | 6 |
| 2019 | 554 | 11.247,36 | 20,30 | 6 |
| 2020 | 638 | 13.334,04 | 20,90 | 7 |
| 2021 | 755 | 15.776,58 | 20,90 | 6 |
| 2022 | 557 | 11.867,30 | 21,31 | 4 |
| 2023 | 487 | 10.604,89 | 21,78 | 4 |
| 2024 | 531 | 12.186,16 | 22,95 | 4 |
| totale | 6.115 | 127.014,05 | 20,77 | 76 |