| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 437,16 | 12,14 | 1 |
| 2009 | 3 | 63,23 | 21,08 | 1 |
| 2010 | 3 | 37,31 | 12,44 | 1 |
| 2012 | 1 | 60,81 | 60,81 | 1 |
| 2013 | 4 | 61,12 | 15,28 | 1 |
| 2014 | 6 | 74,15 | 12,36 | 1 |
| 2015 | 7 | 62,64 | 8,95 | 1 |
| 2016 | 7 | 124,94 | 17,85 | 1 |
| 2017 | 12 | 164,21 | 13,68 | 1 |
| 2018 | 14 | 237,89 | 16,99 | 1 |
| 2019 | 14 | 242,67 | 17,33 | 1 |
| 2020 | 3 | 97,64 | 32,55 | 1 |
| 2021 | 6 | 152,51 | 25,42 | 1 |
| 2022 | 6 | 148,90 | 24,82 | 1 |
| 2023 | 12 | 196,51 | 16,38 | 1 |
| 2024 | 10 | 193,23 | 19,32 | 1 |
| totale | 144 | 2.354,92 | 16,35 | 16 |