| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 52 | 868,20 | 16,70 | 1 |
| 2008 | 22 | 961,05 | 43,68 | 1 |
| 2009 | 25 | 441,98 | 17,68 | 2 |
| 2010 | 27 | 433,34 | 16,05 | 2 |
| 2011 | 15 | 271,68 | 18,11 | 1 |
| 2012 | 33 | 806,54 | 24,44 | 2 |
| 2013 | 20 | 224,45 | 11,22 | 1 |
| 2014 | 35 | 776,20 | 22,18 | 2 |
| 2015 | 23 | 367,24 | 15,97 | 1 |
| 2016 | 34 | 702,70 | 20,67 | 2 |
| 2017 | 28 | 752,73 | 26,88 | 2 |
| 2018 | 23 | 757,52 | 32,94 | 2 |
| 2019 | 24 | 628,35 | 26,18 | 2 |
| 2020 | 28 | 592,37 | 21,16 | 2 |
| 2021 | 24 | 560,77 | 23,37 | 2 |
| 2022 | 21 | 644,40 | 30,69 | 2 |
| 2023 | 25 | 499,71 | 19,99 | 3 |
| 2024 | 21 | 470,68 | 22,41 | 3 |
| totale | 480 | 10.759,91 | 22,42 | 33 |