| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 40 | 486,45 | 12,16 | 1 |
| 2009 | 3 | 89,84 | 29,95 | 1 |
| 2010 | 5 | 78,79 | 15,76 | 1 |
| 2012 | 30 | 331,78 | 11,06 | 1 |
| 2013 | 15 | 245,42 | 16,36 | 2 |
| 2014 | 7 | 91,63 | 13,09 | 1 |
| 2015 | 7 | 137,25 | 19,61 | 1 |
| 2016 | 6 | 109,43 | 18,24 | 1 |
| 2017 | 3 | 47,83 | 15,94 | 1 |
| 2018 | 6 | 66,94 | 11,16 | 1 |
| 2019 | 4 | 95,00 | 23,75 | 1 |
| 2020 | 4 | 51,68 | 12,92 | 1 |
| 2021 | 3 | 12,01 | 4,00 | 1 |
| 2022 | 2 | 105,20 | 52,60 | 2 |
| 2023 | 2 | 0,00 | 0,00 | 2 |
| 2024 | 2 | 0,00 | 0,00 | 2 |
| totale | 139 | 1.949,25 | 14,02 | 20 |