| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 333,01 | 14,48 | 1 |
| 2009 | 5 | 78,30 | 15,66 | 1 |
| 2010 | 9 | 140,43 | 15,60 | 1 |
| 2012 | 8 | 86,64 | 10,83 | 1 |
| 2013 | 5 | 105,04 | 21,01 | 1 |
| 2014 | 4 | 113,82 | 28,46 | 1 |
| 2015 | 4 | 103,71 | 25,93 | 1 |
| 2016 | 5 | 114,19 | 22,84 | 1 |
| 2017 | 4 | 62,79 | 15,70 | 1 |
| 2018 | 3 | 98,34 | 32,78 | 1 |
| 2019 | 3 | 92,91 | 30,97 | 1 |
| 2020 | 4 | 96,16 | 24,04 | 1 |
| 2021 | 3 | 63,44 | 21,15 | 1 |
| 2022 | 3 | 58,11 | 19,37 | 1 |
| 2023 | 1 | 32,30 | 32,30 | 1 |
| 2024 | 77 | 1.831,60 | 23,79 | 2 |
| totale | 161 | 3.410,79 | 21,19 | 17 |