| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 26 | 499,30 | 19,20 | 2 |
| 2007 | 11 | 317,46 | 28,86 | 1 |
| 2008 | 15 | 4.770,55 | 318,04 | 1 |
| 2009 | 17 | 714,44 | 42,03 | 2 |
| 2010 | 43 | 744,98 | 17,33 | 3 |
| 2011 | 33 | 723,92 | 21,94 | 2 |
| 2012 | 6 | 187,26 | 31,21 | 3 |
| 2013 | 8 | 147,24 | 18,41 | 2 |
| 2014 | 5 | 163,56 | 32,71 | 1 |
| 2015 | 203 | 3.894,27 | 19,18 | 2 |
| 2016 | 234 | 4.753,58 | 20,31 | 3 |
| 2017 | 372 | 7.827,59 | 21,04 | 4 |
| 2018 | 324 | 6.792,83 | 20,97 | 5 |
| 2019 | 313 | 5.981,30 | 19,11 | 5 |
| 2020 | 285 | 6.179,36 | 21,68 | 5 |
| 2021 | 302 | 6.442,69 | 21,33 | 5 |
| 2022 | 135 | 3.280,18 | 24,30 | 4 |
| 2023 | 124 | 3.591,50 | 28,96 | 7 |
| 2024 | 122 | 3.296,07 | 27,02 | 8 |
| totale | 2.578 | 60.308,08 | 23,39 | 65 |