| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 585 | 12.749,40 | 21,79 | 4 |
| 2007 | 249 | 6.530,70 | 26,23 | 2 |
| 2008 | 274 | 7.425,06 | 27,10 | 2 |
| 2009 | 293 | 7.324,43 | 25,00 | 3 |
| 2010 | 324 | 7.084,15 | 21,86 | 3 |
| 2011 | 222 | 5.385,02 | 24,26 | 2 |
| 2012 | 332 | 7.744,09 | 23,33 | 3 |
| 2013 | 307 | 6.724,14 | 21,90 | 3 |
| 2014 | 352 | 9.634,08 | 27,37 | 4 |
| 2015 | 360 | 10.250,46 | 28,47 | 5 |
| 2016 | 401 | 11.189,72 | 27,90 | 5 |
| 2017 | 452 | 12.266,84 | 27,14 | 5 |
| 2018 | 457 | 15.637,48 | 34,22 | 6 |
| 2019 | 443 | 15.498,70 | 34,99 | 6 |
| 2020 | 449 | 16.027,76 | 35,70 | 6 |
| 2021 | 384 | 10.740,07 | 27,97 | 4 |
| 2022 | 399 | 11.851,20 | 29,70 | 4 |
| 2023 | 390 | 11.408,67 | 29,25 | 4 |
| 2024 | 369 | 10.674,10 | 28,93 | 5 |
| totale | 7.042 | 196.146,07 | 27,85 | 76 |