| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 251 | 4.838,94 | 19,28 | 2 |
| 2007 | 97 | 2.418,01 | 24,93 | 3 |
| 2008 | 143 | 3.877,88 | 27,12 | 3 |
| 2009 | 258 | 6.078,68 | 23,56 | 5 |
| 2010 | 241 | 4.905,34 | 20,35 | 4 |
| 2011 | 145 | 2.728,73 | 18,82 | 3 |
| 2012 | 235 | 4.163,68 | 17,72 | 4 |
| 2013 | 305 | 5.955,04 | 19,52 | 4 |
| 2014 | 299 | 6.847,95 | 22,90 | 5 |
| 2015 | 264 | 6.147,50 | 23,29 | 4 |
| 2016 | 247 | 6.198,39 | 25,09 | 3 |
| 2017 | 252 | 5.625,08 | 22,32 | 3 |
| 2018 | 237 | 5.520,86 | 23,29 | 3 |
| 2019 | 229 | 5.467,14 | 23,87 | 3 |
| 2020 | 205 | 5.297,94 | 25,84 | 3 |
| 2021 | 216 | 5.280,67 | 24,45 | 3 |
| 2022 | 119 | 3.169,72 | 26,64 | 2 |
| 2023 | 139 | 3.839,79 | 27,62 | 4 |
| 2024 | 161 | 4.306,35 | 26,75 | 5 |
| totale | 4.043 | 92.667,69 | 22,92 | 66 |