| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 1.583,66 | 16,85 | 1 |
| 2009 | 14 | 245,90 | 17,56 | 1 |
| 2010 | 6 | 137,88 | 22,98 | 1 |
| 2012 | 23 | 442,68 | 19,25 | 1 |
| 2013 | 25 | 383,00 | 15,32 | 1 |
| 2014 | 19 | 353,86 | 18,62 | 1 |
| 2015 | 28 | 795,78 | 28,42 | 1 |
| 2016 | 18 | 375,85 | 20,88 | 1 |
| 2017 | 18 | 299,66 | 16,65 | 1 |
| 2018 | 19 | 320,02 | 16,84 | 1 |
| 2019 | 17 | 285,00 | 16,76 | 1 |
| 2020 | 18 | 361,29 | 20,07 | 1 |
| 2021 | 23 | 442,04 | 19,22 | 1 |
| 2022 | 26 | 607,30 | 23,36 | 1 |
| 2023 | 29 | 501,48 | 17,29 | 1 |
| 2024 | 15 | 339,53 | 22,64 | 1 |
| totale | 392 | 7.474,93 | 19,07 | 16 |