| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 101 | 2.551,41 | 25,26 | 1 |
| 2008 | 10 | 315,65 | 31,57 | 1 |
| 2009 | 44 | 1.443,64 | 32,81 | 1 |
| 2010 | 36 | 983,14 | 27,31 | 2 |
| 2012 | 49 | 1.253,49 | 25,58 | 2 |
| 2013 | 38 | 754,54 | 19,86 | 2 |
| 2014 | 55 | 1.322,95 | 24,05 | 2 |
| 2015 | 36 | 752,61 | 20,91 | 1 |
| 2016 | 47 | 1.188,32 | 25,28 | 3 |
| 2017 | 80 | 2.407,58 | 30,09 | 3 |
| 2018 | 83 | 2.469,77 | 29,76 | 3 |
| 2019 | 99 | 2.994,73 | 30,25 | 3 |
| 2020 | 93 | 2.737,72 | 29,44 | 3 |
| 2021 | 68 | 2.186,26 | 32,15 | 2 |
| 2022 | 72 | 2.046,77 | 28,43 | 2 |
| 2023 | 77 | 2.013,96 | 26,16 | 2 |
| 2024 | 65 | 2.083,36 | 32,05 | 2 |
| totale | 1.053 | 29.505,90 | 28,02 | 35 |