| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 268 | 7.264,56 | 27,11 | 3 |
| 2007 | 59 | 1.641,20 | 27,82 | 2 |
| 2008 | 91 | 2.893,02 | 31,79 | 3 |
| 2009 | 163 | 3.792,04 | 23,26 | 3 |
| 2010 | 188 | 3.871,46 | 20,59 | 4 |
| 2011 | 181 | 3.156,18 | 17,44 | 4 |
| 2012 | 279 | 6.619,25 | 23,72 | 7 |
| 2013 | 228 | 4.498,95 | 19,73 | 6 |
| 2014 | 269 | 6.757,65 | 25,12 | 8 |
| 2015 | 189 | 4.153,73 | 21,98 | 6 |
| 2016 | 238 | 5.165,97 | 21,71 | 7 |
| 2017 | 224 | 4.792,53 | 21,40 | 7 |
| 2018 | 188 | 4.416,06 | 23,49 | 6 |
| 2019 | 192 | 4.439,98 | 23,12 | 6 |
| 2020 | 181 | 4.200,99 | 23,21 | 6 |
| 2021 | 167 | 3.827,38 | 22,92 | 6 |
| 2022 | 104 | 2.310,17 | 22,21 | 5 |
| 2023 | 67 | 1.624,86 | 24,25 | 3 |
| 2024 | 60 | 1.199,50 | 19,99 | 2 |
| totale | 3.336 | 76.625,48 | 22,97 | 94 |