| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 63 | 1.862,63 | 29,57 | 1 |
| 2009 | 85 | 1.463,66 | 17,22 | 2 |
| 2010 | 120 | 1.796,86 | 14,97 | 2 |
| 2011 | 99 | 1.485,85 | 15,01 | 1 |
| 2012 | 142 | 2.005,31 | 14,12 | 2 |
| 2013 | 139 | 1.797,77 | 12,93 | 2 |
| 2014 | 178 | 3.628,09 | 20,38 | 2 |
| 2015 | 163 | 3.446,41 | 21,14 | 2 |
| 2016 | 173 | 3.641,30 | 21,05 | 3 |
| 2017 | 177 | 4.141,99 | 23,40 | 3 |
| 2018 | 176 | 3.926,67 | 22,31 | 3 |
| 2019 | 157 | 4.002,76 | 25,50 | 3 |
| 2020 | 154 | 3.599,76 | 23,38 | 3 |
| 2021 | 114 | 2.630,95 | 23,08 | 3 |
| 2022 | 27 | 606,37 | 22,46 | 2 |
| 2023 | 27 | 526,79 | 19,51 | 2 |
| 2024 | 23 | 489,64 | 21,29 | 3 |
| totale | 2.017 | 41.052,81 | 20,35 | 39 |