| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 67 | 873,64 | 13,04 | 1 |
| 2009 | 6 | 200,58 | 33,43 | 1 |
| 2010 | 12 | 226,65 | 18,89 | 1 |
| 2012 | 12 | 342,32 | 28,53 | 1 |
| 2013 | 8 | 178,76 | 22,35 | 1 |
| 2014 | 7 | 217,40 | 31,06 | 1 |
| 2015 | 12 | 221,77 | 18,48 | 1 |
| 2016 | 10 | 233,07 | 23,31 | 1 |
| 2017 | 7 | 276,94 | 39,56 | 1 |
| 2018 | 10 | 232,44 | 23,24 | 1 |
| 2019 | 10 | 282,15 | 28,22 | 1 |
| 2020 | 10 | 204,93 | 20,49 | 1 |
| 2021 | 10 | 184,09 | 18,41 | 1 |
| 2022 | 9 | 169,94 | 18,88 | 1 |
| 2023 | 7 | 83,51 | 11,93 | 1 |
| 2024 | 4 | 44,49 | 11,12 | 1 |
| totale | 201 | 3.972,68 | 19,76 | 16 |