| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 527,63 | 12,87 | 1 |
| 2009 | 15 | 277,33 | 18,49 | 1 |
| 2010 | 12 | 241,36 | 20,11 | 1 |
| 2012 | 18 | 337,11 | 18,73 | 1 |
| 2013 | 16 | 216,18 | 13,51 | 1 |
| 2014 | 9 | 165,01 | 18,33 | 1 |
| 2015 | 16 | 345,42 | 21,59 | 1 |
| 2016 | 15 | 310,99 | 20,73 | 1 |
| 2017 | 15 | 275,12 | 18,34 | 1 |
| 2018 | 8 | 120,46 | 15,06 | 1 |
| 2019 | 12 | 316,39 | 26,37 | 1 |
| 2020 | 9 | 275,72 | 30,64 | 1 |
| 2021 | 8 | 314,63 | 39,33 | 1 |
| 2022 | 8 | 148,02 | 18,50 | 1 |
| 2023 | 8 | 96,32 | 12,04 | 1 |
| 2024 | 5 | 61,67 | 12,33 | 1 |
| totale | 215 | 4.029,36 | 18,74 | 16 |