| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 72 | 973,86 | 13,53 | 1 |
| 2007 | 13 | 319,28 | 24,56 | 1 |
| 2008 | 20 | 514,34 | 25,72 | 1 |
| 2009 | 64 | 1.042,78 | 16,29 | 2 |
| 2010 | 41 | 522,75 | 12,75 | 1 |
| 2012 | 43 | 597,67 | 13,90 | 1 |
| 2013 | 32 | 511,10 | 15,97 | 1 |
| 2014 | 21 | 408,87 | 19,47 | 1 |
| 2015 | 26 | 414,18 | 15,93 | 1 |
| 2016 | 27 | 517,20 | 19,16 | 1 |
| 2017 | 25 | 415,18 | 16,61 | 1 |
| 2018 | 19 | 356,47 | 18,76 | 1 |
| 2019 | 14 | 181,47 | 12,96 | 1 |
| 2020 | 42 | 800,47 | 19,06 | 2 |
| 2021 | 47 | 893,01 | 19,00 | 2 |
| 2022 | 38 | 672,38 | 17,69 | 2 |
| 2023 | 53 | 902,74 | 17,03 | 3 |
| 2024 | 71 | 1.291,18 | 18,19 | 3 |
| totale | 668 | 11.334,93 | 16,97 | 26 |