| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 163 | 3.736,63 | 22,92 | 2 |
| 2007 | 46 | 2.183,02 | 47,46 | 1 |
| 2009 | 3 | 31,36 | 10,45 | 1 |
| 2010 | 20 | 636,74 | 31,84 | 2 |
| 2011 | 11 | 352,46 | 32,04 | 1 |
| 2012 | 18 | 412,70 | 22,93 | 3 |
| 2013 | 9 | 339,47 | 37,72 | 3 |
| 2014 | 7 | 314,27 | 44,90 | 3 |
| 2015 | 17 | 445,11 | 26,18 | 3 |
| 2016 | 17 | 395,63 | 23,27 | 3 |
| 2017 | 41 | 918,40 | 22,40 | 3 |
| 2018 | 17 | 531,04 | 31,24 | 3 |
| 2019 | 26 | 545,35 | 20,98 | 3 |
| 2020 | 51 | 1.050,18 | 20,59 | 3 |
| 2021 | 53 | 1.022,21 | 19,29 | 3 |
| 2022 | 22 | 471,43 | 21,43 | 3 |
| 2023 | 26 | 508,90 | 19,57 | 3 |
| 2024 | 19 | 523,20 | 27,54 | 3 |
| totale | 566 | 14.418,10 | 25,47 | 46 |