| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 1.577,61 | 20,76 | 1 |
| 2007 | 166 | 3.745,25 | 22,56 | 1 |
| 2009 | 22 | 462,10 | 21,00 | 1 |
| 2010 | 159 | 2.798,97 | 17,60 | 3 |
| 2011 | 208 | 3.472,24 | 16,69 | 1 |
| 2012 | 196 | 3.561,44 | 18,17 | 2 |
| 2013 | 770 | 14.035,97 | 18,23 | 3 |
| 2014 | 615 | 14.443,40 | 23,49 | 3 |
| 2015 | 630 | 14.576,12 | 23,14 | 3 |
| 2016 | 712 | 16.161,82 | 22,70 | 6 |
| 2017 | 730 | 17.344,43 | 23,76 | 7 |
| 2018 | 738 | 17.290,88 | 23,43 | 6 |
| 2019 | 743 | 16.294,27 | 21,93 | 6 |
| 2020 | 611 | 13.951,01 | 22,83 | 7 |
| 2021 | 584 | 13.651,20 | 23,38 | 7 |
| 2022 | 614 | 14.225,40 | 23,17 | 6 |
| 2023 | 522 | 11.887,73 | 22,77 | 8 |
| 2024 | 511 | 11.555,50 | 22,61 | 8 |
| totale | 8.607 | 191.035,34 | 22,20 | 79 |