| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 510 | 9.115,93 | 17,87 | 1 |
| 2009 | 301 | 5.494,47 | 18,25 | 1 |
| 2010 | 497 | 7.897,14 | 15,89 | 1 |
| 2011 | 57 | 1.139,47 | 19,99 | 1 |
| 2012 | 534 | 9.488,13 | 17,77 | 3 |
| 2013 | 461 | 9.033,80 | 19,60 | 3 |
| 2014 | 461 | 11.028,64 | 23,92 | 3 |
| 2015 | 438 | 10.411,96 | 23,77 | 3 |
| 2016 | 383 | 8.211,40 | 21,44 | 2 |
| 2017 | 390 | 9.549,66 | 24,49 | 2 |
| 2018 | 349 | 8.349,41 | 23,92 | 2 |
| 2019 | 333 | 8.157,94 | 24,50 | 2 |
| 2020 | 291 | 7.249,96 | 24,91 | 2 |
| 2021 | 273 | 6.656,63 | 24,38 | 2 |
| 2022 | 280 | 7.071,68 | 25,26 | 2 |
| 2023 | 269 | 6.960,23 | 25,87 | 3 |
| 2024 | 284 | 7.201,07 | 25,36 | 4 |
| totale | 6.111 | 133.017,52 | 21,77 | 37 |