| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 123 | 4.037,31 | 32,82 | 3 |
| 2007 | 68 | 2.920,09 | 42,94 | 2 |
| 2008 | 31 | 1.539,01 | 49,65 | 1 |
| 2009 | 30 | 1.607,10 | 53,57 | 2 |
| 2010 | 3 | 128,13 | 42,71 | 1 |
| 2012 | 7 | 70,16 | 10,02 | 1 |
| 2013 | 8 | 63,34 | 7,92 | 1 |
| 2014 | 7 | 58,72 | 8,39 | 1 |
| 2015 | 7 | 97,33 | 13,90 | 1 |
| 2016 | 9 | 168,38 | 18,71 | 1 |
| 2017 | 6 | 119,55 | 19,93 | 1 |
| 2018 | 9 | 144,38 | 16,04 | 1 |
| 2019 | 8 | 148,94 | 18,62 | 1 |
| 2020 | 17 | 403,52 | 23,74 | 2 |
| 2021 | 16 | 671,26 | 41,95 | 2 |
| 2022 | 20 | 632,29 | 31,61 | 2 |
| 2023 | 21 | 904,23 | 43,06 | 2 |
| 2024 | 16 | 667,90 | 41,74 | 2 |
| totale | 406 | 14.381,64 | 35,42 | 27 |