| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 1.417,12 | 16,29 | 2 |
| 2007 | 116 | 2.665,87 | 22,98 | 2 |
| 2008 | 173 | 3.148,34 | 18,20 | 3 |
| 2009 | 186 | 3.938,59 | 21,18 | 3 |
| 2010 | 250 | 4.513,03 | 18,05 | 4 |
| 2011 | 216 | 3.677,49 | 17,03 | 2 |
| 2012 | 244 | 4.225,00 | 17,32 | 3 |
| 2013 | 227 | 3.942,56 | 17,37 | 3 |
| 2014 | 210 | 4.617,81 | 21,99 | 3 |
| 2015 | 188 | 4.358,89 | 23,19 | 3 |
| 2016 | 144 | 3.426,30 | 23,79 | 3 |
| 2017 | 163 | 3.827,86 | 23,48 | 3 |
| 2018 | 162 | 4.002,82 | 24,71 | 3 |
| 2019 | 344 | 9.087,95 | 26,42 | 4 |
| 2020 | 272 | 7.718,07 | 28,38 | 5 |
| 2021 | 235 | 6.164,67 | 26,23 | 4 |
| 2022 | 163 | 4.325,98 | 26,54 | 3 |
| 2023 | 243 | 5.344,95 | 22,00 | 5 |
| 2024 | 273 | 4.894,50 | 17,93 | 5 |
| totale | 3.896 | 85.297,80 | 21,89 | 63 |