| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 173 | 4.923,71 | 28,46 | 2 |
| 2007 | 95 | 2.849,49 | 29,99 | 1 |
| 2008 | 142 | 3.705,76 | 26,10 | 1 |
| 2009 | 157 | 4.046,57 | 25,77 | 2 |
| 2010 | 172 | 3.919,29 | 22,79 | 2 |
| 2011 | 90 | 2.151,65 | 23,91 | 1 |
| 2012 | 122 | 2.701,13 | 22,14 | 2 |
| 2013 | 103 | 2.454,52 | 23,83 | 2 |
| 2014 | 103 | 3.059,45 | 29,70 | 2 |
| 2015 | 37 | 1.670,01 | 45,14 | 2 |
| 2016 | 53 | 1.943,62 | 36,67 | 2 |
| 2017 | 63 | 2.503,18 | 39,73 | 2 |
| 2018 | 66 | 2.515,77 | 38,12 | 2 |
| 2019 | 64 | 2.667,23 | 41,68 | 2 |
| 2020 | 67 | 2.770,47 | 41,35 | 2 |
| 2021 | 28 | 1.188,55 | 42,45 | 1 |
| 2022 | 57 | 2.816,81 | 49,42 | 2 |
| 2023 | 82 | 3.921,57 | 47,82 | 3 |
| 2024 | 98 | 3.870,42 | 39,49 | 3 |
| totale | 1.772 | 55.679,20 | 31,42 | 36 |