| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 153 | 2.765,99 | 18,08 | 2 |
| 2007 | 132 | 2.994,78 | 22,69 | 1 |
| 2008 | 138 | 2.886,55 | 20,92 | 1 |
| 2009 | 152 | 3.392,85 | 22,32 | 2 |
| 2010 | 153 | 2.995,10 | 19,58 | 2 |
| 2012 | 112 | 2.485,05 | 22,19 | 3 |
| 2013 | 131 | 2.954,03 | 22,55 | 3 |
| 2014 | 130 | 3.660,47 | 28,16 | 3 |
| 2015 | 9 | 176,12 | 19,57 | 1 |
| 2016 | 70 | 1.683,95 | 24,06 | 2 |
| 2017 | 100 | 1.948,68 | 19,49 | 3 |
| 2018 | 75 | 1.742,56 | 23,23 | 3 |
| 2019 | 37 | 1.060,48 | 28,66 | 3 |
| 2020 | 59 | 1.757,06 | 29,78 | 3 |
| 2021 | 49 | 2.114,63 | 43,16 | 3 |
| 2022 | 34 | 1.492,65 | 43,90 | 3 |
| 2023 | 16 | 580,28 | 36,27 | 2 |
| 2024 | 15 | 321,76 | 21,45 | 2 |
| totale | 1.565 | 37.012,99 | 23,65 | 42 |