| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 361 | 6.669,99 | 18,48 | 1 |
| 2008 | 41 | 681,20 | 16,61 | 1 |
| 2009 | 205 | 3.623,13 | 17,67 | 3 |
| 2010 | 153 | 2.397,18 | 15,67 | 3 |
| 2011 | 61 | 1.186,41 | 19,45 | 2 |
| 2012 | 312 | 5.295,95 | 16,97 | 4 |
| 2013 | 215 | 3.582,55 | 16,66 | 3 |
| 2014 | 168 | 3.324,63 | 19,79 | 2 |
| 2015 | 132 | 2.619,51 | 19,84 | 2 |
| 2016 | 67 | 1.393,64 | 20,80 | 1 |
| 2017 | 115 | 2.009,40 | 17,47 | 3 |
| 2018 | 180 | 3.694,35 | 20,52 | 5 |
| 2019 | 251 | 5.465,69 | 21,78 | 4 |
| 2020 | 301 | 6.834,26 | 22,71 | 4 |
| 2021 | 292 | 6.846,18 | 23,45 | 4 |
| 2022 | 284 | 6.507,21 | 22,91 | 4 |
| 2023 | 296 | 5.788,97 | 19,56 | 4 |
| 2024 | 260 | 4.914,67 | 18,90 | 5 |
| totale | 3.694 | 72.834,92 | 19,72 | 55 |