| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 793,02 | 19,34 | 3 |
| 2007 | 7 | 254,24 | 36,32 | 2 |
| 2008 | 7 | 188,55 | 26,94 | 2 |
| 2009 | 12 | 595,81 | 49,65 | 3 |
| 2010 | 17 | 409,45 | 24,09 | 4 |
| 2011 | 16 | 608,98 | 38,06 | 2 |
| 2012 | 32 | 1.131,17 | 35,35 | 4 |
| 2013 | 34 | 1.155,84 | 34,00 | 4 |
| 2014 | 42 | 1.454,60 | 34,63 | 3 |
| 2015 | 50 | 1.975,97 | 39,52 | 5 |
| 2016 | 40 | 1.088,98 | 27,22 | 3 |
| 2017 | 42 | 1.287,60 | 30,66 | 3 |
| 2018 | 41 | 1.342,53 | 32,74 | 3 |
| 2019 | 38 | 1.278,24 | 33,64 | 3 |
| 2020 | 34 | 1.138,36 | 33,48 | 3 |
| 2021 | 28 | 905,97 | 32,36 | 4 |
| 2022 | 26 | 801,40 | 30,82 | 4 |
| 2023 | 23 | 628,26 | 27,32 | 4 |
| 2024 | 21 | 527,22 | 25,11 | 4 |
| totale | 551 | 17.566,19 | 31,88 | 63 |