| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 2.827,62 | 19,50 | 1 |
| 2009 | 49 | 854,76 | 17,44 | 1 |
| 2010 | 126 | 2.064,06 | 16,38 | 1 |
| 2012 | 89 | 1.417,88 | 15,93 | 1 |
| 2013 | 78 | 1.324,25 | 16,98 | 1 |
| 2014 | 106 | 2.371,87 | 22,38 | 3 |
| 2015 | 124 | 2.996,52 | 24,17 | 3 |
| 2016 | 138 | 3.207,93 | 23,25 | 3 |
| 2017 | 134 | 3.057,76 | 22,82 | 3 |
| 2018 | 134 | 3.196,37 | 23,85 | 3 |
| 2019 | 133 | 3.268,61 | 24,58 | 3 |
| 2020 | 131 | 3.713,38 | 28,35 | 3 |
| 2021 | 121 | 3.203,23 | 26,47 | 3 |
| 2022 | 122 | 3.414,14 | 27,98 | 3 |
| 2023 | 138 | 3.504,06 | 25,39 | 3 |
| 2024 | 149 | 3.697,99 | 24,82 | 3 |
| totale | 1.917 | 44.120,43 | 23,02 | 38 |