| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 5 | 120,18 | 24,04 | 1 |
| 2009 | 4 | 52,56 | 13,14 | 1 |
| 2010 | 95 | 1.160,95 | 12,22 | 2 |
| 2011 | 12 | 163,40 | 13,62 | 1 |
| 2012 | 23 | 715,87 | 31,12 | 2 |
| 2013 | 15 | 402,42 | 26,83 | 2 |
| 2014 | 276 | 6.177,47 | 22,38 | 2 |
| 2015 | 294 | 6.722,64 | 22,87 | 3 |
| 2016 | 263 | 5.614,36 | 21,35 | 2 |
| 2017 | 220 | 5.008,92 | 22,77 | 2 |
| 2018 | 182 | 4.651,48 | 25,56 | 3 |
| 2019 | 159 | 3.791,41 | 23,85 | 2 |
| 2020 | 115 | 3.031,20 | 26,36 | 2 |
| 2021 | 108 | 3.112,27 | 28,82 | 3 |
| 2022 | 110 | 3.719,85 | 33,82 | 3 |
| 2023 | 99 | 2.945,22 | 29,75 | 5 |
| 2024 | 104 | 3.226,94 | 31,03 | 5 |
| totale | 2.084 | 50.617,14 | 24,29 | 41 |