| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 176 | 4.389,99 | 24,94 | 3 |
| 2007 | 105 | 3.212,10 | 30,59 | 2 |
| 2008 | 75 | 2.467,94 | 32,91 | 1 |
| 2009 | 76 | 2.003,46 | 26,36 | 2 |
| 2010 | 103 | 2.323,19 | 22,56 | 2 |
| 2011 | 157 | 4.359,42 | 27,77 | 1 |
| 2012 | 138 | 3.956,80 | 28,67 | 2 |
| 2013 | 148 | 3.847,78 | 26,00 | 2 |
| 2014 | 120 | 4.092,51 | 34,10 | 2 |
| 2015 | 119 | 3.448,61 | 28,98 | 2 |
| 2016 | 132 | 3.896,17 | 29,52 | 2 |
| 2017 | 126 | 3.574,11 | 28,37 | 2 |
| 2018 | 131 | 3.481,85 | 26,58 | 2 |
| 2019 | 161 | 4.379,30 | 27,20 | 2 |
| 2020 | 145 | 3.978,00 | 27,43 | 2 |
| 2021 | 122 | 3.384,38 | 27,74 | 2 |
| 2022 | 126 | 3.836,61 | 30,45 | 2 |
| 2023 | 118 | 3.307,92 | 28,03 | 2 |
| 2024 | 112 | 3.301,40 | 29,48 | 2 |
| totale | 2.390 | 67.241,54 | 28,13 | 37 |