| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 1.511,13 | 19,37 | 1 |
| 2007 | 255 | 6.345,03 | 24,88 | 2 |
| 2008 | 297 | 5.772,41 | 19,44 | 1 |
| 2009 | 296 | 6.193,66 | 20,92 | 3 |
| 2010 | 308 | 6.192,46 | 20,11 | 3 |
| 2011 | 237 | 4.492,46 | 18,96 | 2 |
| 2012 | 207 | 2.942,31 | 14,21 | 2 |
| 2013 | 378 | 5.163,97 | 13,66 | 2 |
| 2014 | 269 | 4.750,66 | 17,66 | 3 |
| 2015 | 230 | 4.195,85 | 18,24 | 2 |
| 2016 | 490 | 8.388,26 | 17,12 | 3 |
| 2017 | 249 | 4.724,08 | 18,97 | 4 |
| 2018 | 320 | 6.259,93 | 19,56 | 5 |
| 2019 | 346 | 6.544,52 | 18,91 | 5 |
| 2020 | 304 | 6.150,68 | 20,23 | 5 |
| 2021 | 466 | 8.827,72 | 18,94 | 6 |
| 2022 | 460 | 9.006,72 | 19,58 | 6 |
| 2023 | 363 | 7.337,63 | 20,21 | 6 |
| 2024 | 421 | 8.229,21 | 19,55 | 7 |
| totale | 5.974 | 113.028,69 | 18,92 | 68 |