| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 351 | 6.635,45 | 18,90 | 3 |
| 2007 | 78 | 1.499,56 | 19,23 | 1 |
| 2008 | 101 | 1.826,25 | 18,08 | 1 |
| 2009 | 332 | 5.040,99 | 15,18 | 2 |
| 2010 | 292 | 3.792,90 | 12,99 | 2 |
| 2011 | 86 | 1.156,10 | 13,44 | 1 |
| 2012 | 318 | 4.411,94 | 13,87 | 2 |
| 2013 | 329 | 4.379,16 | 13,31 | 2 |
| 2014 | 299 | 5.020,23 | 16,79 | 2 |
| 2015 | 286 | 4.711,52 | 16,47 | 2 |
| 2016 | 290 | 5.056,30 | 17,44 | 2 |
| 2017 | 274 | 4.960,45 | 18,10 | 2 |
| 2018 | 243 | 4.478,21 | 18,43 | 2 |
| 2019 | 245 | 4.730,66 | 19,31 | 2 |
| 2020 | 221 | 4.706,59 | 21,30 | 2 |
| 2021 | 207 | 4.349,15 | 21,01 | 2 |
| 2022 | 172 | 3.624,10 | 21,07 | 2 |
| 2023 | 171 | 3.478,01 | 20,34 | 2 |
| 2024 | 156 | 2.981,41 | 19,11 | 2 |
| totale | 4.451 | 76.838,98 | 17,26 | 36 |