| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 408 | 9.181,92 | 22,50 | 2 |
| 2007 | 252 | 7.191,97 | 28,54 | 1 |
| 2008 | 293 | 8.177,48 | 27,91 | 1 |
| 2009 | 355 | 9.096,22 | 25,62 | 2 |
| 2010 | 376 | 8.427,55 | 22,41 | 3 |
| 2011 | 283 | 6.055,97 | 21,40 | 1 |
| 2012 | 291 | 6.816,92 | 23,43 | 3 |
| 2013 | 302 | 6.141,10 | 20,33 | 3 |
| 2014 | 261 | 7.171,33 | 27,48 | 3 |
| 2015 | 270 | 6.873,35 | 25,46 | 4 |
| 2016 | 260 | 7.760,90 | 29,85 | 4 |
| 2017 | 258 | 7.612,42 | 29,51 | 4 |
| 2018 | 281 | 7.829,88 | 27,86 | 5 |
| 2019 | 313 | 9.162,67 | 29,27 | 5 |
| 2020 | 307 | 9.166,26 | 29,86 | 5 |
| 2021 | 310 | 9.327,90 | 30,09 | 5 |
| 2022 | 259 | 8.751,34 | 33,79 | 4 |
| 2023 | 223 | 7.594,61 | 34,06 | 3 |
| 2024 | 237 | 8.234,36 | 34,74 | 3 |
| totale | 5.539 | 150.574,15 | 27,18 | 61 |