| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 668,49 | 13,93 | 1 |
| 2008 | 31 | 990,03 | 31,94 | 1 |
| 2009 | 65 | 1.760,11 | 27,08 | 2 |
| 2010 | 57 | 1.376,13 | 24,14 | 2 |
| 2011 | 27 | 669,75 | 24,81 | 1 |
| 2012 | 75 | 1.472,06 | 19,63 | 2 |
| 2013 | 73 | 1.341,20 | 18,37 | 2 |
| 2014 | 55 | 1.106,30 | 20,11 | 2 |
| 2015 | 52 | 1.026,95 | 19,75 | 2 |
| 2016 | 14 | 361,43 | 25,82 | 1 |
| 2017 | 188 | 3.938,43 | 20,95 | 2 |
| 2018 | 186 | 3.845,53 | 20,67 | 2 |
| 2019 | 119 | 2.711,79 | 22,79 | 2 |
| 2020 | 100 | 2.945,06 | 29,45 | 2 |
| 2021 | 86 | 2.855,34 | 33,20 | 2 |
| 2022 | 87 | 3.617,26 | 41,58 | 3 |
| 2023 | 175 | 3.118,18 | 17,82 | 2 |
| 2024 | 45 | 1.025,33 | 22,79 | 3 |
| totale | 1.483 | 34.829,37 | 23,49 | 34 |