| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 178 | 3.533,06 | 19,85 | 2 |
| 2007 | 304 | 11.414,92 | 37,55 | 2 |
| 2008 | 729 | 15.977,71 | 21,92 | 3 |
| 2009 | 577 | 12.966,61 | 22,47 | 4 |
| 2010 | 291 | 7.421,84 | 25,50 | 3 |
| 2011 | 288 | 7.292,59 | 25,32 | 2 |
| 2012 | 310 | 7.572,88 | 24,43 | 3 |
| 2013 | 400 | 8.795,82 | 21,99 | 4 |
| 2014 | 378 | 9.812,07 | 25,96 | 4 |
| 2015 | 283 | 7.659,52 | 27,07 | 4 |
| 2016 | 422 | 9.370,51 | 22,21 | 5 |
| 2017 | 334 | 8.227,80 | 24,63 | 5 |
| 2018 | 228 | 5.589,40 | 24,51 | 5 |
| 2019 | 220 | 5.086,66 | 23,12 | 6 |
| 2020 | 218 | 6.618,36 | 30,36 | 6 |
| 2021 | 321 | 9.844,25 | 30,67 | 6 |
| 2022 | 163 | 4.751,27 | 29,15 | 6 |
| 2023 | 299 | 8.111,79 | 27,13 | 9 |
| 2024 | 429 | 8.155,75 | 19,01 | 10 |
| totale | 6.372 | 158.202,81 | 24,83 | 89 |