| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 39 | 578,03 | 14,82 | 2 |
| 2007 | 14 | 404,33 | 28,88 | 1 |
| 2008 | 15 | 485,39 | 32,36 | 1 |
| 2009 | 17 | 200,63 | 11,80 | 1 |
| 2010 | 3 | 26,17 | 8,72 | 1 |
| 2012 | 23 | 237,60 | 10,33 | 1 |
| 2013 | 22 | 207,64 | 9,44 | 1 |
| 2014 | 23 | 271,41 | 11,80 | 1 |
| 2015 | 27 | 463,91 | 17,18 | 1 |
| 2016 | 27 | 464,62 | 17,21 | 1 |
| 2017 | 18 | 310,43 | 17,25 | 1 |
| 2018 | 20 | 355,28 | 17,76 | 1 |
| 2019 | 21 | 302,18 | 14,39 | 1 |
| 2020 | 17 | 263,28 | 15,49 | 2 |
| 2021 | 19 | 346,76 | 18,25 | 2 |
| 2022 | 16 | 217,13 | 13,57 | 2 |
| 2023 | 16 | 240,33 | 15,02 | 2 |
| 2024 | 14 | 193,15 | 13,80 | 2 |
| totale | 351 | 5.568,27 | 15,86 | 24 |