| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 8 | 96,16 | 12,02 | 1 |
| 2009 | 45 | 1.008,36 | 22,41 | 2 |
| 2010 | 31 | 462,24 | 14,91 | 2 |
| 2011 | 9 | 121,62 | 13,51 | 1 |
| 2012 | 22 | 374,60 | 17,03 | 1 |
| 2013 | 13 | 142,56 | 10,97 | 1 |
| 2014 | 8 | 135,28 | 16,91 | 1 |
| 2015 | 8 | 120,22 | 15,03 | 1 |
| 2016 | 2 | 41,87 | 20,94 | 1 |
| 2017 | 15 | 341,01 | 22,73 | 2 |
| 2018 | 8 | 154,46 | 19,31 | 2 |
| 2019 | 11 | 196,76 | 17,89 | 2 |
| 2020 | 15 | 292,02 | 19,47 | 2 |
| 2021 | 13 | 224,27 | 17,25 | 2 |
| 2022 | 8 | 144,29 | 18,04 | 2 |
| 2023 | 13 | 170,02 | 13,08 | 2 |
| 2024 | 9 | 201,90 | 22,43 | 2 |
| totale | 238 | 4.227,64 | 17,76 | 27 |