| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 13 | 279,54 | 21,50 | 1 |
| 2009 | 2 | 62,58 | 31,29 | 1 |
| 2010 | 6 | 210,13 | 35,02 | 1 |
| 2012 | 4 | 26,94 | 6,74 | 1 |
| 2013 | 27 | 342,21 | 12,67 | 2 |
| 2014 | 25 | 426,59 | 17,06 | 2 |
| 2015 | 1 | 4,08 | 4,08 | 1 |
| 2016 | 24 | 455,73 | 18,99 | 2 |
| 2017 | 26 | 472,22 | 18,16 | 2 |
| 2018 | 18 | 358,80 | 19,93 | 2 |
| 2019 | 18 | 354,63 | 19,70 | 2 |
| 2020 | 18 | 438,82 | 24,38 | 2 |
| 2021 | 16 | 421,96 | 26,37 | 2 |
| 2022 | 15 | 444,72 | 29,65 | 2 |
| 2023 | 13 | 399,39 | 30,72 | 2 |
| 2024 | 13 | 298,86 | 22,99 | 2 |
| totale | 239 | 4.997,20 | 20,91 | 27 |