| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 524 | 11.233,08 | 21,44 | 2 |
| 2007 | 456 | 11.703,42 | 25,67 | 1 |
| 2008 | 532 | 13.719,05 | 25,79 | 1 |
| 2009 | 587 | 16.244,67 | 27,67 | 3 |
| 2010 | 705 | 15.549,00 | 22,06 | 3 |
| 2011 | 693 | 15.359,32 | 22,16 | 3 |
| 2012 | 703 | 16.913,98 | 24,06 | 4 |
| 2013 | 643 | 14.258,41 | 22,17 | 4 |
| 2014 | 580 | 16.429,32 | 28,33 | 4 |
| 2015 | 519 | 14.998,67 | 28,90 | 4 |
| 2016 | 530 | 15.178,54 | 28,64 | 4 |
| 2017 | 529 | 15.756,18 | 29,78 | 4 |
| 2018 | 489 | 14.424,32 | 29,50 | 4 |
| 2019 | 457 | 13.844,71 | 30,29 | 4 |
| 2020 | 435 | 14.038,25 | 32,27 | 5 |
| 2021 | 422 | 13.622,29 | 32,28 | 4 |
| 2022 | 231 | 8.025,34 | 34,74 | 4 |
| 2023 | 241 | 7.557,92 | 31,36 | 4 |
| 2024 | 264 | 7.627,17 | 28,89 | 4 |
| totale | 9.540 | 256.483,64 | 26,89 | 66 |