| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 331,84 | 20,74 | 1 |
| 2009 | 2 | 42,80 | 21,40 | 1 |
| 2010 | 110 | 1.746,81 | 15,88 | 2 |
| 2011 | 61 | 730,56 | 11,98 | 1 |
| 2012 | 119 | 2.024,03 | 17,01 | 2 |
| 2013 | 96 | 1.722,40 | 17,94 | 2 |
| 2014 | 87 | 1.934,51 | 22,24 | 2 |
| 2015 | 104 | 2.221,02 | 21,36 | 2 |
| 2016 | 112 | 2.360,87 | 21,08 | 2 |
| 2017 | 112 | 2.320,12 | 20,72 | 2 |
| 2018 | 124 | 2.529,02 | 20,40 | 2 |
| 2019 | 129 | 2.777,26 | 21,53 | 2 |
| 2020 | 126 | 2.825,53 | 22,42 | 2 |
| 2021 | 121 | 2.756,32 | 22,78 | 2 |
| 2022 | 113 | 2.619,15 | 23,18 | 2 |
| 2023 | 107 | 2.122,84 | 19,84 | 2 |
| 2024 | 105 | 2.250,99 | 21,44 | 2 |
| totale | 1.644 | 33.316,07 | 20,27 | 31 |