| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4 | 11,49 | 2,87 | 1 |
| 2007 | 298 | 5.186,02 | 17,40 | 1 |
| 2008 | 279 | 5.241,61 | 18,79 | 1 |
| 2009 | 179 | 3.176,23 | 17,74 | 2 |
| 2010 | 183 | 3.108,67 | 16,99 | 2 |
| 2011 | 108 | 1.852,15 | 17,15 | 1 |
| 2012 | 97 | 1.563,73 | 16,12 | 2 |
| 2013 | 122 | 1.784,91 | 14,63 | 2 |
| 2014 | 83 | 1.689,36 | 20,35 | 2 |
| 2015 | 83 | 1.611,02 | 19,41 | 2 |
| 2016 | 84 | 2.323,68 | 27,66 | 2 |
| 2017 | 102 | 2.092,83 | 20,52 | 2 |
| 2018 | 131 | 2.989,21 | 22,82 | 2 |
| 2019 | 120 | 3.069,99 | 25,58 | 2 |
| 2020 | 134 | 3.344,23 | 24,96 | 2 |
| 2021 | 82 | 2.141,37 | 26,11 | 2 |
| 2022 | 96 | 2.854,22 | 29,73 | 2 |
| 2023 | 81 | 1.856,44 | 22,92 | 2 |
| 2024 | 91 | 2.066,70 | 22,71 | 3 |
| totale | 2.357 | 47.963,86 | 20,35 | 35 |