| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 97 | 1.472,33 | 15,18 | 1 |
| 2009 | 57 | 868,94 | 15,24 | 1 |
| 2010 | 49 | 663,60 | 13,54 | 1 |
| 2012 | 33 | 517,11 | 15,67 | 1 |
| 2013 | 32 | 511,03 | 15,97 | 2 |
| 2014 | 36 | 948,65 | 26,35 | 2 |
| 2015 | 35 | 787,47 | 22,50 | 2 |
| 2016 | 32 | 730,50 | 22,83 | 2 |
| 2017 | 27 | 627,20 | 23,23 | 2 |
| 2018 | 22 | 567,20 | 25,78 | 3 |
| 2019 | 21 | 496,71 | 23,65 | 2 |
| 2020 | 9 | 215,84 | 23,98 | 2 |
| 2021 | 12 | 166,88 | 13,91 | 2 |
| 2022 | 14 | 172,93 | 12,35 | 2 |
| 2023 | 11 | 175,09 | 15,92 | 4 |
| 2024 | 14 | 228,78 | 16,34 | 4 |
| totale | 501 | 9.150,26 | 18,26 | 33 |