| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 348,48 | 10,25 | 1 |
| 2009 | 8 | 119,10 | 14,89 | 1 |
| 2010 | 8 | 79,22 | 9,90 | 1 |
| 2012 | 9 | 110,58 | 12,29 | 1 |
| 2013 | 17 | 197,68 | 11,63 | 1 |
| 2014 | 23 | 252,76 | 10,99 | 1 |
| 2015 | 14 | 265,52 | 18,97 | 1 |
| 2016 | 11 | 141,65 | 12,88 | 1 |
| 2017 | 10 | 146,68 | 14,67 | 1 |
| 2018 | 10 | 143,26 | 14,33 | 1 |
| 2019 | 7 | 115,94 | 16,56 | 1 |
| 2020 | 7 | 117,76 | 16,82 | 1 |
| 2021 | 6 | 131,05 | 21,84 | 1 |
| 2022 | 5 | 159,28 | 31,86 | 1 |
| 2023 | 6 | 80,67 | 13,45 | 1 |
| 2024 | 6 | 107,09 | 17,85 | 1 |
| totale | 181 | 2.516,72 | 13,90 | 16 |