| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 348 | 7.593,07 | 21,82 | 3 |
| 2007 | 225 | 6.904,97 | 30,69 | 4 |
| 2008 | 282 | 8.004,30 | 28,38 | 4 |
| 2009 | 377 | 10.042,93 | 26,64 | 7 |
| 2010 | 364 | 9.429,87 | 25,91 | 7 |
| 2011 | 312 | 8.382,43 | 26,87 | 5 |
| 2012 | 357 | 8.482,83 | 23,76 | 6 |
| 2013 | 352 | 7.766,36 | 22,06 | 6 |
| 2014 | 385 | 10.345,77 | 26,87 | 6 |
| 2015 | 393 | 10.903,06 | 27,74 | 6 |
| 2016 | 353 | 9.735,15 | 27,58 | 5 |
| 2017 | 303 | 8.907,82 | 29,40 | 5 |
| 2018 | 289 | 7.732,83 | 26,76 | 5 |
| 2019 | 275 | 7.568,90 | 27,52 | 6 |
| 2020 | 285 | 8.086,90 | 28,38 | 6 |
| 2021 | 259 | 7.575,83 | 29,25 | 6 |
| 2022 | 236 | 7.119,86 | 30,17 | 5 |
| 2023 | 200 | 5.814,51 | 29,07 | 4 |
| 2024 | 226 | 6.116,07 | 27,06 | 5 |
| totale | 5.821 | 156.513,46 | 26,89 | 101 |