| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 359 | 8.831,35 | 24,60 | 4 |
| 2007 | 256 | 8.078,31 | 31,56 | 3 |
| 2008 | 272 | 8.220,82 | 30,22 | 3 |
| 2009 | 259 | 9.290,20 | 35,87 | 4 |
| 2010 | 261 | 6.750,29 | 25,86 | 4 |
| 2011 | 222 | 5.156,82 | 23,23 | 2 |
| 2012 | 324 | 8.398,22 | 25,92 | 4 |
| 2013 | 334 | 7.085,75 | 21,21 | 4 |
| 2014 | 308 | 8.904,85 | 28,91 | 5 |
| 2015 | 309 | 8.168,48 | 26,44 | 4 |
| 2016 | 334 | 8.948,43 | 26,79 | 4 |
| 2017 | 249 | 7.040,23 | 28,27 | 4 |
| 2018 | 230 | 5.990,57 | 26,05 | 4 |
| 2019 | 248 | 6.016,98 | 24,26 | 4 |
| 2020 | 254 | 6.920,66 | 27,25 | 3 |
| 2021 | 253 | 6.362,80 | 25,15 | 3 |
| 2022 | 262 | 7.011,99 | 26,76 | 4 |
| 2023 | 243 | 6.558,97 | 26,99 | 4 |
| 2024 | 234 | 6.074,09 | 25,96 | 6 |
| totale | 5.211 | 139.809,81 | 26,83 | 73 |