| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 155 | 2.525,32 | 16,29 | 1 |
| 2009 | 58 | 857,05 | 14,78 | 1 |
| 2010 | 67 | 838,49 | 12,51 | 1 |
| 2011 | 269 | 6.267,17 | 23,30 | 1 |
| 2012 | 352 | 8.022,53 | 22,79 | 2 |
| 2013 | 327 | 6.887,37 | 21,06 | 2 |
| 2014 | 329 | 8.470,53 | 25,75 | 2 |
| 2015 | 410 | 9.751,49 | 23,78 | 3 |
| 2016 | 394 | 10.349,01 | 26,27 | 3 |
| 2017 | 357 | 9.286,34 | 26,01 | 3 |
| 2018 | 339 | 7.642,52 | 22,54 | 3 |
| 2019 | 348 | 8.073,29 | 23,20 | 3 |
| 2020 | 330 | 7.802,08 | 23,64 | 3 |
| 2021 | 329 | 8.906,02 | 27,07 | 4 |
| 2022 | 328 | 8.682,48 | 26,47 | 5 |
| 2023 | 328 | 9.370,17 | 28,57 | 5 |
| 2024 | 321 | 8.489,28 | 26,45 | 5 |
| totale | 5.041 | 122.221,14 | 24,25 | 47 |