| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 77 | 1.817,99 | 23,61 | 2 |
| 2009 | 112 | 2.674,62 | 23,88 | 2 |
| 2010 | 182 | 3.500,82 | 19,24 | 3 |
| 2011 | 5 | 95,11 | 19,02 | 1 |
| 2012 | 29 | 441,30 | 15,22 | 1 |
| 2013 | 32 | 576,27 | 18,01 | 1 |
| 2014 | 40 | 1.346,60 | 33,67 | 2 |
| 2015 | 153 | 4.057,77 | 26,52 | 4 |
| 2016 | 184 | 4.611,95 | 25,06 | 4 |
| 2017 | 179 | 4.124,31 | 23,04 | 4 |
| 2018 | 144 | 2.794,00 | 19,40 | 4 |
| 2019 | 133 | 2.763,23 | 20,78 | 4 |
| 2020 | 123 | 2.561,35 | 20,82 | 4 |
| 2021 | 97 | 2.262,54 | 23,33 | 5 |
| 2022 | 113 | 2.553,90 | 22,60 | 5 |
| 2023 | 138 | 3.581,42 | 25,95 | 5 |
| 2024 | 119 | 2.939,22 | 24,70 | 5 |
| totale | 1.860 | 42.702,40 | 22,96 | 56 |