| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 26 | 427,33 | 16,44 | 1 |
| 2009 | 3 | 39,07 | 13,02 | 1 |
| 2010 | 7 | 183,00 | 26,14 | 1 |
| 2012 | 3 | 40,70 | 13,57 | 1 |
| 2013 | 23 | 378,25 | 16,45 | 2 |
| 2014 | 9 | 127,35 | 14,15 | 2 |
| 2015 | 7 | 113,98 | 16,28 | 2 |
| 2016 | 9 | 131,21 | 14,58 | 1 |
| 2017 | 7 | 114,98 | 16,43 | 1 |
| 2018 | 18 | 298,29 | 16,57 | 2 |
| 2019 | 15 | 339,58 | 22,64 | 2 |
| 2020 | 19 | 343,28 | 18,07 | 2 |
| 2021 | 26 | 444,41 | 17,09 | 2 |
| 2022 | 23 | 426,31 | 18,54 | 2 |
| 2023 | 23 | 498,92 | 21,69 | 2 |
| 2024 | 22 | 490,18 | 22,28 | 2 |
| totale | 240 | 4.396,84 | 18,32 | 26 |