| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 617,50 | 8,13 | 1 |
| 2009 | 13 | 118,09 | 9,08 | 1 |
| 2010 | 57 | 1.001,31 | 17,57 | 2 |
| 2011 | 34 | 535,53 | 15,75 | 1 |
| 2012 | 124 | 2.701,17 | 21,78 | 3 |
| 2013 | 390 | 6.164,29 | 15,81 | 4 |
| 2014 | 467 | 8.546,61 | 18,30 | 4 |
| 2015 | 421 | 8.184,98 | 19,44 | 4 |
| 2016 | 389 | 7.210,68 | 18,54 | 3 |
| 2017 | 381 | 7.136,46 | 18,73 | 3 |
| 2018 | 363 | 7.224,22 | 19,90 | 3 |
| 2019 | 354 | 6.872,02 | 19,41 | 3 |
| 2020 | 357 | 7.593,28 | 21,27 | 3 |
| 2021 | 373 | 8.619,12 | 23,11 | 4 |
| 2022 | 338 | 7.796,93 | 23,07 | 3 |
| 2023 | 313 | 6.669,15 | 21,31 | 2 |
| 2024 | 314 | 6.543,88 | 20,84 | 3 |
| totale | 4.764 | 93.535,22 | 19,63 | 47 |