| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 393,44 | 10,93 | 1 |
| 2009 | 6 | 136,46 | 22,74 | 1 |
| 2010 | 6 | 140,30 | 23,38 | 1 |
| 2012 | 7 | 184,60 | 26,37 | 1 |
| 2013 | 5 | 93,85 | 18,77 | 1 |
| 2014 | 6 | 183,45 | 30,58 | 1 |
| 2015 | 7 | 189,09 | 27,01 | 1 |
| 2016 | 6 | 65,01 | 10,84 | 1 |
| 2017 | 4 | 42,05 | 10,51 | 1 |
| 2018 | 10 | 178,49 | 17,85 | 1 |
| 2019 | 9 | 175,99 | 19,55 | 1 |
| 2020 | 12 | 270,08 | 22,51 | 1 |
| 2021 | 10 | 220,29 | 22,03 | 1 |
| 2022 | 9 | 159,43 | 17,71 | 1 |
| 2023 | 9 | 190,01 | 21,11 | 1 |
| 2024 | 9 | 138,03 | 15,34 | 1 |
| totale | 151 | 2.760,57 | 18,28 | 16 |