| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 51 | 1.099,73 | 21,56 | 1 |
| 2007 | 6 | 411,14 | 68,52 | 1 |
| 2008 | 11 | 498,73 | 45,34 | 1 |
| 2009 | 16 | 575,35 | 35,96 | 2 |
| 2010 | 13 | 254,83 | 19,60 | 2 |
| 2011 | 4 | 71,46 | 17,87 | 1 |
| 2012 | 14 | 278,82 | 19,92 | 1 |
| 2013 | 14 | 167,32 | 11,95 | 1 |
| 2014 | 16 | 266,62 | 16,66 | 2 |
| 2015 | 10 | 146,27 | 14,63 | 1 |
| 2016 | 10 | 204,90 | 20,49 | 1 |
| 2017 | 14 | 922,63 | 65,90 | 2 |
| 2018 | 11 | 615,39 | 55,94 | 2 |
| 2019 | 12 | 833,82 | 69,49 | 2 |
| 2020 | 10 | 683,68 | 68,37 | 2 |
| 2021 | 9 | 607,96 | 67,55 | 2 |
| 2022 | 11 | 672,44 | 61,13 | 2 |
| 2023 | 12 | 530,62 | 44,22 | 2 |
| 2024 | 11 | 512,76 | 46,61 | 2 |
| totale | 255 | 9.354,47 | 36,68 | 30 |