| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 157 | 3.502,37 | 22,31 | 1 |
| 2008 | 102 | 3.339,20 | 32,74 | 1 |
| 2009 | 100 | 3.077,82 | 30,78 | 2 |
| 2010 | 97 | 2.266,97 | 23,37 | 2 |
| 2011 | 62 | 1.335,91 | 21,55 | 2 |
| 2012 | 161 | 3.944,62 | 24,50 | 3 |
| 2013 | 178 | 5.002,71 | 28,11 | 4 |
| 2014 | 282 | 7.908,87 | 28,05 | 4 |
| 2015 | 197 | 4.750,02 | 24,11 | 3 |
| 2016 | 171 | 4.504,46 | 26,34 | 2 |
| 2017 | 256 | 6.514,86 | 25,45 | 2 |
| 2018 | 386 | 10.976,40 | 28,44 | 3 |
| 2019 | 348 | 10.544,17 | 30,30 | 3 |
| 2020 | 341 | 9.885,84 | 28,99 | 3 |
| 2021 | 390 | 11.190,04 | 28,69 | 3 |
| 2022 | 378 | 10.636,02 | 28,14 | 3 |
| 2023 | 472 | 12.609,51 | 26,72 | 4 |
| 2024 | 163 | 4.645,64 | 28,50 | 3 |
| totale | 4.241 | 116.635,43 | 27,50 | 48 |