| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 293 | 2.175,86 | 7,43 | 1 |
| 2009 | 326 | 3.211,31 | 9,85 | 2 |
| 2010 | 255 | 2.078,77 | 8,15 | 2 |
| 2011 | 213 | 1.954,93 | 9,18 | 1 |
| 2012 | 185 | 1.835,76 | 9,92 | 2 |
| 2013 | 231 | 1.791,68 | 7,76 | 2 |
| 2014 | 313 | 2.312,52 | 7,39 | 2 |
| 2015 | 255 | 2.219,85 | 8,71 | 2 |
| 2016 | 217 | 2.174,04 | 10,02 | 2 |
| 2017 | 262 | 2.097,58 | 8,01 | 2 |
| 2018 | 266 | 1.994,28 | 7,50 | 2 |
| 2019 | 176 | 1.371,05 | 7,79 | 2 |
| 2020 | 15 | 285,65 | 19,04 | 3 |
| 2021 | 64 | 854,56 | 13,35 | 4 |
| 2022 | 75 | 1.151,66 | 15,36 | 4 |
| 2023 | 68 | 855,01 | 12,57 | 5 |
| 2024 | 105 | 1.385,23 | 13,19 | 7 |
| totale | 3.319 | 29.749,74 | 8,96 | 45 |