| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 158 | 5.288,65 | 33,47 | 4 |
| 2008 | 50 | 1.923,02 | 38,46 | 2 |
| 2009 | 58 | 1.847,28 | 31,85 | 3 |
| 2010 | 42 | 1.171,37 | 27,89 | 2 |
| 2011 | 38 | 1.453,15 | 38,24 | 2 |
| 2012 | 52 | 2.067,80 | 39,77 | 4 |
| 2013 | 59 | 2.022,53 | 34,28 | 3 |
| 2014 | 32 | 1.749,82 | 54,68 | 3 |
| 2015 | 33 | 1.508,07 | 45,70 | 3 |
| 2016 | 39 | 1.699,27 | 43,57 | 3 |
| 2017 | 33 | 2.077,63 | 62,96 | 2 |
| 2018 | 31 | 1.747,07 | 56,36 | 4 |
| 2019 | 54 | 2.346,99 | 43,46 | 4 |
| 2020 | 54 | 2.742,76 | 50,79 | 4 |
| 2021 | 76 | 2.971,65 | 39,10 | 4 |
| 2022 | 69 | 2.585,21 | 37,47 | 4 |
| 2023 | 64 | 2.289,41 | 35,77 | 4 |
| 2024 | 75 | 2.434,39 | 32,46 | 5 |
| totale | 1.017 | 39.926,07 | 39,26 | 60 |