| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 35 | 722,94 | 20,66 | 1 |
| 2009 | 39 | 1.377,91 | 35,33 | 2 |
| 2010 | 27 | 564,33 | 20,90 | 2 |
| 2011 | 10 | 486,79 | 48,68 | 1 |
| 2012 | 415 | 5.993,33 | 14,44 | 3 |
| 2013 | 350 | 4.900,61 | 14,00 | 2 |
| 2014 | 223 | 4.208,15 | 18,87 | 2 |
| 2015 | 221 | 4.045,84 | 18,31 | 3 |
| 2016 | 225 | 4.050,96 | 18,00 | 3 |
| 2017 | 224 | 4.092,54 | 18,27 | 3 |
| 2018 | 164 | 3.120,38 | 19,03 | 3 |
| 2019 | 222 | 3.733,60 | 16,82 | 3 |
| 2020 | 172 | 3.529,70 | 20,52 | 3 |
| 2021 | 168 | 3.589,45 | 21,37 | 4 |
| 2022 | 128 | 2.967,30 | 23,18 | 4 |
| 2023 | 131 | 2.630,95 | 20,08 | 4 |
| 2024 | 194 | 3.403,39 | 17,54 | 5 |
| totale | 2.948 | 53.418,17 | 18,12 | 48 |