| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 174 | 3.980,47 | 22,88 | 1 |
| 2009 | 31 | 552,55 | 17,82 | 1 |
| 2010 | 39 | 534,40 | 13,70 | 1 |
| 2012 | 33 | 561,24 | 17,01 | 1 |
| 2013 | 45 | 638,20 | 14,18 | 1 |
| 2014 | 37 | 681,09 | 18,41 | 2 |
| 2015 | 34 | 815,73 | 23,99 | 1 |
| 2016 | 38 | 951,57 | 25,04 | 2 |
| 2017 | 38 | 752,80 | 19,81 | 1 |
| 2018 | 35 | 708,44 | 20,24 | 2 |
| 2019 | 32 | 572,95 | 17,90 | 2 |
| 2020 | 36 | 670,09 | 18,61 | 1 |
| 2021 | 29 | 458,97 | 15,83 | 1 |
| 2022 | 32 | 592,61 | 18,52 | 1 |
| 2023 | 28 | 489,36 | 17,48 | 1 |
| 2024 | 30 | 605,62 | 20,19 | 1 |
| totale | 691 | 13.566,09 | 19,63 | 20 |