| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 91 | 2.447,35 | 26,89 | 1 |
| 2007 | 41 | 1.465,84 | 35,75 | 1 |
| 2009 | 54 | 1.662,87 | 30,79 | 2 |
| 2010 | 46 | 1.504,73 | 32,71 | 2 |
| 2011 | 17 | 620,57 | 36,50 | 1 |
| 2012 | 39 | 996,86 | 25,56 | 2 |
| 2013 | 36 | 877,04 | 24,36 | 2 |
| 2014 | 28 | 832,03 | 29,72 | 2 |
| 2015 | 35 | 1.227,60 | 35,07 | 2 |
| 2016 | 32 | 864,99 | 27,03 | 2 |
| 2017 | 27 | 893,60 | 33,10 | 2 |
| 2018 | 22 | 591,80 | 26,90 | 2 |
| 2019 | 12 | 407,58 | 33,97 | 1 |
| 2020 | 30 | 1.620,45 | 54,02 | 2 |
| 2021 | 30 | 684,07 | 22,80 | 2 |
| 2022 | 37 | 756,87 | 20,46 | 2 |
| 2023 | 35 | 1.691,18 | 48,32 | 3 |
| 2024 | 36 | 3.424,99 | 95,14 | 3 |
| totale | 648 | 22.570,42 | 34,83 | 34 |