| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 20 | 271,87 | 13,59 | 2 |
| 2008 | 1 | 21,36 | 21,36 | 1 |
| 2009 | 96 | 2.128,36 | 22,17 | 2 |
| 2010 | 352 | 6.428,35 | 18,26 | 3 |
| 2011 | 282 | 6.052,15 | 21,46 | 1 |
| 2012 | 339 | 7.222,34 | 21,30 | 3 |
| 2013 | 308 | 5.906,94 | 19,18 | 3 |
| 2014 | 247 | 6.096,71 | 24,68 | 3 |
| 2015 | 286 | 7.661,50 | 26,79 | 3 |
| 2016 | 235 | 6.115,85 | 26,02 | 2 |
| 2017 | 176 | 4.864,95 | 27,64 | 2 |
| 2018 | 142 | 3.833,84 | 27,00 | 2 |
| 2019 | 123 | 3.191,92 | 25,95 | 2 |
| 2020 | 109 | 3.281,82 | 30,11 | 2 |
| 2021 | 169 | 4.573,83 | 27,06 | 4 |
| 2022 | 175 | 4.769,86 | 27,26 | 4 |
| 2023 | 251 | 6.832,44 | 27,22 | 5 |
| 2024 | 267 | 7.186,66 | 26,92 | 5 |
| totale | 3.578 | 86.440,75 | 24,16 | 49 |