| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 289 | 4.919,43 | 17,02 | 1 |
| 2007 | 160 | 4.218,57 | 26,37 | 2 |
| 2008 | 66 | 1.777,04 | 26,92 | 2 |
| 2009 | 438 | 9.316,90 | 21,27 | 4 |
| 2010 | 394 | 7.292,70 | 18,51 | 4 |
| 2011 | 160 | 3.424,16 | 21,40 | 5 |
| 2012 | 484 | 8.471,11 | 17,50 | 6 |
| 2013 | 496 | 7.749,79 | 15,62 | 6 |
| 2014 | 378 | 8.854,42 | 23,42 | 5 |
| 2015 | 310 | 6.005,96 | 19,37 | 5 |
| 2016 | 374 | 8.575,72 | 22,93 | 5 |
| 2017 | 238 | 6.956,19 | 29,23 | 6 |
| 2018 | 246 | 7.600,27 | 30,90 | 7 |
| 2019 | 244 | 6.643,46 | 27,23 | 8 |
| 2020 | 196 | 5.914,18 | 30,17 | 8 |
| 2021 | 199 | 6.009,59 | 30,20 | 8 |
| 2022 | 139 | 4.817,76 | 34,66 | 8 |
| 2023 | 147 | 4.910,03 | 33,40 | 9 |
| 2024 | 185 | 5.172,47 | 27,96 | 9 |
| totale | 5.143 | 118.629,75 | 23,07 | 108 |