| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 123 | 2.711,93 | 22,05 | 2 |
| 2008 | 63 | 1.704,17 | 27,05 | 1 |
| 2009 | 66 | 1.501,09 | 22,74 | 2 |
| 2010 | 141 | 2.852,95 | 20,23 | 3 |
| 2011 | 77 | 1.387,75 | 18,02 | 1 |
| 2012 | 31 | 476,02 | 15,36 | 2 |
| 2013 | 4 | 35,44 | 8,86 | 1 |
| 2014 | 41 | 1.131,53 | 27,60 | 2 |
| 2015 | 36 | 1.151,07 | 31,97 | 2 |
| 2016 | 10 | 306,23 | 30,62 | 2 |
| 2017 | 12 | 364,78 | 30,40 | 2 |
| 2018 | 9 | 323,94 | 35,99 | 2 |
| 2019 | 9 | 296,55 | 32,95 | 2 |
| 2020 | 6 | 227,14 | 37,86 | 2 |
| 2021 | 7 | 207,93 | 29,70 | 2 |
| 2022 | 5 | 78,82 | 15,76 | 1 |
| 2023 | 6 | 261,08 | 43,51 | 1 |
| 2024 | 3 | 80,71 | 26,90 | 1 |
| totale | 649 | 15.099,13 | 23,27 | 31 |