| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 108 | 2.475,22 | 22,92 | 3 |
| 2007 | 36 | 922,95 | 25,64 | 2 |
| 2008 | 25 | 683,06 | 27,32 | 2 |
| 2009 | 73 | 1.765,51 | 24,19 | 4 |
| 2010 | 84 | 1.434,61 | 17,08 | 4 |
| 2011 | 64 | 1.090,41 | 17,04 | 3 |
| 2012 | 47 | 948,04 | 20,17 | 3 |
| 2013 | 21 | 429,44 | 20,45 | 2 |
| 2014 | 25 | 583,10 | 23,32 | 2 |
| 2015 | 25 | 659,62 | 26,38 | 2 |
| 2016 | 35 | 835,16 | 23,86 | 2 |
| 2017 | 75 | 1.765,48 | 23,54 | 3 |
| 2018 | 81 | 1.667,92 | 20,59 | 3 |
| 2019 | 84 | 1.924,07 | 22,91 | 3 |
| 2020 | 97 | 2.120,88 | 21,86 | 3 |
| 2021 | 82 | 1.929,02 | 23,52 | 3 |
| 2022 | 83 | 1.720,58 | 20,73 | 3 |
| 2023 | 86 | 1.859,63 | 21,62 | 5 |
| 2024 | 78 | 1.626,65 | 20,85 | 5 |
| totale | 1.209 | 26.441,35 | 21,87 | 57 |