| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 317,89 | 9,35 | 1 |
| 2009 | 10 | 176,22 | 17,62 | 1 |
| 2010 | 10 | 174,32 | 17,43 | 1 |
| 2012 | 11 | 162,27 | 14,75 | 1 |
| 2013 | 14 | 270,53 | 19,32 | 1 |
| 2014 | 16 | 310,10 | 19,38 | 1 |
| 2015 | 12 | 179,52 | 14,96 | 1 |
| 2016 | 20 | 408,93 | 20,45 | 1 |
| 2017 | 17 | 323,16 | 19,01 | 1 |
| 2018 | 17 | 302,32 | 17,78 | 1 |
| 2019 | 15 | 330,93 | 22,06 | 1 |
| 2020 | 11 | 242,93 | 22,08 | 1 |
| 2021 | 12 | 266,63 | 22,22 | 1 |
| 2022 | 11 | 282,38 | 25,67 | 1 |
| 2023 | 13 | 292,79 | 22,52 | 1 |
| 2024 | 11 | 217,08 | 19,73 | 1 |
| totale | 234 | 4.258,00 | 18,20 | 16 |