| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 653 | 10.744,33 | 16,45 | 1 |
| 2007 | 89 | 1.952,76 | 21,94 | 1 |
| 2008 | 106 | 2.115,61 | 19,96 | 1 |
| 2009 | 261 | 5.380,82 | 20,62 | 2 |
| 2010 | 337 | 6.199,02 | 18,39 | 2 |
| 2011 | 161 | 3.041,81 | 18,89 | 1 |
| 2012 | 604 | 9.835,42 | 16,28 | 4 |
| 2013 | 509 | 8.108,75 | 15,93 | 4 |
| 2014 | 298 | 5.955,80 | 19,99 | 3 |
| 2015 | 347 | 7.130,66 | 20,55 | 4 |
| 2016 | 338 | 6.936,20 | 20,52 | 4 |
| 2017 | 266 | 5.721,55 | 21,51 | 3 |
| 2018 | 206 | 4.245,01 | 20,61 | 3 |
| 2019 | 190 | 3.686,48 | 19,40 | 3 |
| 2020 | 174 | 3.655,49 | 21,01 | 3 |
| 2021 | 150 | 2.855,78 | 19,04 | 3 |
| 2022 | 223 | 5.632,42 | 25,26 | 4 |
| 2023 | 189 | 5.347,57 | 28,29 | 3 |
| 2024 | 108 | 2.408,73 | 22,30 | 2 |
| totale | 5.209 | 100.954,21 | 19,38 | 51 |