| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 834 | 17.571,70 | 21,07 | 2 |
| 2007 | 248 | 6.644,64 | 26,79 | 1 |
| 2008 | 429 | 10.034,89 | 23,39 | 2 |
| 2009 | 455 | 9.225,24 | 20,28 | 4 |
| 2010 | 449 | 8.362,76 | 18,63 | 4 |
| 2011 | 359 | 7.213,64 | 20,09 | 3 |
| 2012 | 413 | 8.096,01 | 19,60 | 4 |
| 2013 | 424 | 8.044,62 | 18,97 | 4 |
| 2014 | 540 | 13.136,45 | 24,33 | 6 |
| 2015 | 552 | 13.793,03 | 24,99 | 7 |
| 2016 | 565 | 14.821,29 | 26,23 | 7 |
| 2017 | 603 | 16.181,56 | 26,84 | 7 |
| 2018 | 614 | 17.639,15 | 28,73 | 8 |
| 2019 | 559 | 16.288,41 | 29,14 | 8 |
| 2020 | 507 | 14.972,41 | 29,53 | 8 |
| 2021 | 458 | 13.619,60 | 29,74 | 8 |
| 2022 | 205 | 6.487,54 | 31,65 | 5 |
| 2023 | 278 | 7.527,38 | 27,08 | 6 |
| 2024 | 303 | 8.486,67 | 28,01 | 7 |
| totale | 8.795 | 218.146,99 | 24,80 | 101 |