| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 102 | 1.600,31 | 15,69 | 1 |
| 2009 | 43 | 569,59 | 13,25 | 1 |
| 2010 | 35 | 499,89 | 14,28 | 1 |
| 2012 | 59 | 698,85 | 11,84 | 1 |
| 2013 | 49 | 676,12 | 13,80 | 1 |
| 2014 | 41 | 820,63 | 20,02 | 1 |
| 2015 | 28 | 473,28 | 16,90 | 1 |
| 2016 | 38 | 783,80 | 20,63 | 2 |
| 2017 | 37 | 687,39 | 18,58 | 2 |
| 2018 | 33 | 748,29 | 22,68 | 2 |
| 2019 | 26 | 518,48 | 19,94 | 1 |
| 2020 | 34 | 684,56 | 20,13 | 2 |
| 2021 | 28 | 538,88 | 19,25 | 2 |
| 2022 | 25 | 434,04 | 17,36 | 2 |
| 2023 | 18 | 324,52 | 18,03 | 2 |
| 2024 | 22 | 244,05 | 11,09 | 2 |
| totale | 618 | 10.302,68 | 16,67 | 24 |