| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 72 | 1.600,60 | 22,23 | 2 |
| 2007 | 3 | 47,90 | 15,97 | 1 |
| 2008 | 2 | 43,07 | 21,54 | 1 |
| 2009 | 12 | 422,26 | 35,19 | 2 |
| 2010 | 5 | 114,94 | 22,99 | 1 |
| 2011 | 1 | 12,02 | 12,02 | 1 |
| 2012 | 3 | 41,53 | 13,84 | 2 |
| 2013 | 16 | 218,15 | 13,63 | 2 |
| 2014 | 15 | 303,47 | 20,23 | 2 |
| 2015 | 19 | 400,82 | 21,10 | 2 |
| 2016 | 17 | 382,40 | 22,49 | 2 |
| 2017 | 16 | 319,04 | 19,94 | 2 |
| 2018 | 13 | 299,76 | 23,06 | 2 |
| 2019 | 9 | 209,04 | 23,23 | 2 |
| 2020 | 18 | 566,88 | 31,49 | 3 |
| 2021 | 15 | 435,10 | 29,01 | 3 |
| 2022 | 17 | 367,58 | 21,62 | 3 |
| 2023 | 13 | 60,12 | 4,62 | 4 |
| 2024 | 18 | 277,68 | 15,43 | 4 |
| totale | 284 | 6.122,36 | 21,56 | 41 |