| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 389 | 6.832,15 | 17,56 | 3 |
| 2007 | 89 | 2.024,35 | 22,75 | 2 |
| 2008 | 163 | 4.278,84 | 26,25 | 3 |
| 2009 | 147 | 3.727,54 | 25,36 | 3 |
| 2010 | 174 | 3.164,55 | 18,19 | 3 |
| 2011 | 132 | 2.556,82 | 19,37 | 1 |
| 2012 | 239 | 5.054,69 | 21,15 | 2 |
| 2013 | 193 | 4.275,22 | 22,15 | 5 |
| 2014 | 180 | 4.442,61 | 24,68 | 3 |
| 2015 | 188 | 4.392,12 | 23,36 | 4 |
| 2016 | 187 | 4.205,88 | 22,49 | 6 |
| 2017 | 223 | 5.155,69 | 23,12 | 7 |
| 2018 | 343 | 8.040,47 | 23,44 | 7 |
| 2019 | 433 | 10.314,44 | 23,82 | 7 |
| 2020 | 452 | 11.586,34 | 25,63 | 7 |
| 2021 | 213 | 4.516,03 | 21,20 | 6 |
| 2022 | 189 | 4.011,51 | 21,22 | 7 |
| 2023 | 168 | 3.471,41 | 20,66 | 8 |
| 2024 | 230 | 4.881,18 | 21,22 | 10 |
| totale | 4.332 | 96.931,84 | 22,38 | 94 |