| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 268 | 4.645,32 | 17,33 | 2 |
| 2007 | 279 | 6.028,20 | 21,61 | 2 |
| 2008 | 444 | 8.178,57 | 18,42 | 2 |
| 2009 | 135 | 1.558,23 | 11,54 | 2 |
| 2010 | 367 | 6.232,66 | 16,98 | 3 |
| 2011 | 371 | 5.628,88 | 15,17 | 2 |
| 2012 | 328 | 5.741,55 | 17,50 | 3 |
| 2013 | 447 | 6.354,11 | 14,22 | 3 |
| 2014 | 427 | 7.446,64 | 17,44 | 3 |
| 2015 | 392 | 6.829,24 | 17,42 | 2 |
| 2016 | 365 | 6.260,72 | 17,15 | 2 |
| 2017 | 369 | 5.915,89 | 16,03 | 3 |
| 2018 | 283 | 4.783,94 | 16,90 | 3 |
| 2019 | 241 | 4.015,14 | 16,66 | 2 |
| 2020 | 221 | 3.514,96 | 15,90 | 2 |
| 2021 | 202 | 3.281,17 | 16,24 | 2 |
| 2022 | 268 | 4.541,35 | 16,95 | 2 |
| 2023 | 309 | 5.025,41 | 16,26 | 2 |
| 2024 | 284 | 4.447,35 | 15,66 | 2 |
| totale | 6.000 | 100.429,33 | 16,74 | 44 |