| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 32 | 511,64 | 15,99 | 1 |
| 2009 | 51 | 1.853,60 | 36,35 | 2 |
| 2010 | 76 | 2.068,74 | 27,22 | 2 |
| 2012 | 84 | 2.375,79 | 28,28 | 2 |
| 2013 | 79 | 2.084,59 | 26,39 | 2 |
| 2014 | 68 | 2.195,65 | 32,29 | 2 |
| 2015 | 88 | 2.703,38 | 30,72 | 2 |
| 2016 | 87 | 2.995,23 | 34,43 | 2 |
| 2017 | 80 | 2.777,74 | 34,72 | 3 |
| 2018 | 74 | 2.427,76 | 32,81 | 3 |
| 2019 | 67 | 2.071,45 | 30,92 | 3 |
| 2020 | 66 | 2.089,22 | 31,65 | 3 |
| 2021 | 77 | 2.414,52 | 31,36 | 3 |
| 2022 | 43 | 1.581,46 | 36,78 | 3 |
| 2023 | 7 | 170,17 | 24,31 | 2 |
| 2024 | 4 | 14,87 | 3,72 | 2 |
| totale | 983 | 30.335,81 | 30,86 | 37 |