| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 59 | 793,32 | 13,45 | 1 |
| 2007 | 11 | 423,87 | 38,53 | 1 |
| 2008 | 24 | 573,62 | 23,90 | 1 |
| 2009 | 5 | 24,81 | 4,96 | 1 |
| 2010 | 26 | 255,21 | 9,82 | 1 |
| 2011 | 36 | 983,84 | 27,33 | 2 |
| 2012 | 28 | 519,54 | 18,56 | 1 |
| 2013 | 40 | 612,24 | 15,31 | 1 |
| 2014 | 39 | 741,70 | 19,02 | 2 |
| 2015 | 23 | 362,91 | 15,78 | 1 |
| 2016 | 26 | 446,66 | 17,18 | 1 |
| 2017 | 47 | 922,84 | 19,63 | 2 |
| 2018 | 40 | 736,37 | 18,41 | 2 |
| 2019 | 41 | 720,21 | 17,57 | 2 |
| 2020 | 29 | 497,97 | 17,17 | 2 |
| 2021 | 22 | 349,04 | 15,87 | 1 |
| 2022 | 27 | 424,04 | 15,71 | 1 |
| 2023 | 30 | 358,88 | 11,96 | 2 |
| 2024 | 33 | 302,06 | 9,15 | 2 |
| totale | 586 | 10.049,13 | 17,15 | 27 |