| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 527 | 9.216,48 | 17,49 | 2 |
| 2007 | 163 | 3.447,90 | 21,15 | 1 |
| 2008 | 175 | 4.050,29 | 23,14 | 2 |
| 2009 | 314 | 6.927,03 | 22,06 | 3 |
| 2010 | 322 | 6.020,55 | 18,70 | 4 |
| 2011 | 347 | 7.582,44 | 21,85 | 4 |
| 2012 | 496 | 9.454,45 | 19,06 | 5 |
| 2013 | 397 | 7.021,32 | 17,69 | 5 |
| 2014 | 493 | 11.031,30 | 22,38 | 4 |
| 2015 | 405 | 9.630,44 | 23,78 | 4 |
| 2016 | 347 | 8.779,05 | 25,30 | 4 |
| 2017 | 304 | 7.764,48 | 25,54 | 4 |
| 2018 | 254 | 6.847,26 | 26,96 | 4 |
| 2019 | 248 | 7.077,37 | 28,54 | 4 |
| 2020 | 213 | 5.760,63 | 27,05 | 4 |
| 2021 | 193 | 5.374,38 | 27,85 | 4 |
| 2022 | 159 | 4.933,03 | 31,03 | 3 |
| 2023 | 165 | 5.134,45 | 31,12 | 4 |
| 2024 | 154 | 4.014,35 | 26,07 | 4 |
| totale | 5.676 | 130.067,20 | 22,92 | 69 |