| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 335 | 6.797,32 | 20,29 | 2 |
| 2007 | 122 | 2.734,37 | 22,41 | 1 |
| 2008 | 144 | 3.156,74 | 21,92 | 1 |
| 2009 | 280 | 6.207,35 | 22,17 | 5 |
| 2010 | 324 | 6.096,42 | 18,82 | 5 |
| 2011 | 209 | 3.625,96 | 17,35 | 4 |
| 2012 | 360 | 6.784,85 | 18,85 | 5 |
| 2013 | 164 | 2.982,39 | 18,19 | 3 |
| 2014 | 327 | 8.064,87 | 24,66 | 7 |
| 2015 | 350 | 8.801,17 | 25,15 | 8 |
| 2016 | 392 | 10.454,56 | 26,67 | 8 |
| 2017 | 393 | 10.341,20 | 26,31 | 9 |
| 2018 | 354 | 8.784,57 | 24,82 | 9 |
| 2019 | 329 | 8.602,39 | 26,15 | 9 |
| 2020 | 425 | 11.179,23 | 26,30 | 10 |
| 2021 | 444 | 11.774,34 | 26,52 | 10 |
| 2022 | 399 | 11.213,20 | 28,10 | 10 |
| 2023 | 430 | 10.356,62 | 24,09 | 11 |
| 2024 | 537 | 13.216,67 | 24,61 | 14 |
| totale | 6.318 | 151.174,22 | 23,93 | 131 |