| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 369 | 5.391,29 | 14,61 | 2 |
| 2007 | 413 | 7.170,01 | 17,36 | 1 |
| 2008 | 404 | 6.134,10 | 15,18 | 1 |
| 2009 | 414 | 5.357,94 | 12,94 | 2 |
| 2010 | 469 | 5.447,77 | 11,62 | 2 |
| 2011 | 441 | 4.889,94 | 11,09 | 1 |
| 2012 | 424 | 4.914,24 | 11,59 | 2 |
| 2013 | 385 | 4.144,41 | 10,76 | 3 |
| 2014 | 391 | 5.358,09 | 13,70 | 3 |
| 2015 | 337 | 4.459,52 | 13,23 | 2 |
| 2016 | 383 | 5.612,94 | 14,66 | 3 |
| 2017 | 316 | 4.651,89 | 14,72 | 2 |
| 2018 | 286 | 4.414,02 | 15,43 | 2 |
| 2019 | 293 | 4.868,03 | 16,61 | 2 |
| 2020 | 261 | 4.549,54 | 17,43 | 2 |
| 2021 | 210 | 3.595,96 | 17,12 | 2 |
| 2022 | 249 | 4.441,80 | 17,84 | 2 |
| 2023 | 232 | 4.064,95 | 17,52 | 3 |
| 2024 | 209 | 3.522,78 | 16,86 | 3 |
| totale | 6.486 | 92.989,22 | 14,34 | 40 |