| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 207 | 3.202,71 | 15,47 | 1 |
| 2007 | 230 | 3.949,69 | 17,17 | 1 |
| 2008 | 223 | 3.807,48 | 17,07 | 1 |
| 2009 | 302 | 5.365,43 | 17,77 | 2 |
| 2010 | 486 | 7.588,46 | 15,61 | 2 |
| 2011 | 294 | 4.861,16 | 16,53 | 1 |
| 2012 | 394 | 6.961,33 | 17,67 | 2 |
| 2013 | 375 | 6.004,89 | 16,01 | 2 |
| 2014 | 448 | 9.058,26 | 20,22 | 2 |
| 2015 | 433 | 9.226,15 | 21,31 | 2 |
| 2016 | 461 | 9.526,29 | 20,66 | 2 |
| 2017 | 413 | 8.453,43 | 20,47 | 2 |
| 2018 | 412 | 7.919,94 | 19,22 | 2 |
| 2019 | 328 | 7.356,18 | 22,43 | 2 |
| 2020 | 234 | 6.265,98 | 26,78 | 2 |
| 2021 | 195 | 5.642,40 | 28,94 | 2 |
| 2022 | 236 | 8.691,63 | 36,83 | 2 |
| 2023 | 258 | 8.451,38 | 32,76 | 3 |
| 2024 | 270 | 7.730,15 | 28,63 | 3 |
| totale | 6.199 | 130.062,94 | 20,98 | 36 |