| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 71 | 1.073,80 | 15,12 | 1 |
| 2009 | 17 | 180,87 | 10,64 | 1 |
| 2010 | 74 | 926,03 | 12,51 | 1 |
| 2012 | 54 | 778,05 | 14,41 | 1 |
| 2013 | 47 | 603,92 | 12,85 | 1 |
| 2014 | 49 | 747,51 | 15,26 | 1 |
| 2015 | 41 | 589,93 | 14,39 | 1 |
| 2016 | 30 | 411,97 | 13,73 | 1 |
| 2017 | 24 | 397,44 | 16,56 | 1 |
| 2018 | 20 | 307,72 | 15,39 | 1 |
| 2019 | 22 | 373,61 | 16,98 | 1 |
| 2020 | 28 | 458,00 | 16,36 | 1 |
| 2021 | 27 | 340,29 | 12,60 | 1 |
| 2022 | 34 | 419,43 | 12,34 | 1 |
| 2023 | 35 | 541,74 | 15,48 | 1 |
| 2024 | 40 | 601,70 | 15,04 | 1 |
| totale | 613 | 8.752,01 | 14,28 | 16 |