| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 494 | 8.917,23 | 18,05 | 2 |
| 2007 | 393 | 8.862,75 | 22,55 | 1 |
| 2008 | 432 | 9.283,26 | 21,49 | 1 |
| 2009 | 478 | 9.527,43 | 19,93 | 2 |
| 2010 | 480 | 9.576,37 | 19,95 | 3 |
| 2011 | 279 | 5.332,40 | 19,11 | 1 |
| 2012 | 438 | 8.920,61 | 20,37 | 4 |
| 2013 | 297 | 5.986,05 | 20,16 | 4 |
| 2014 | 258 | 7.126,42 | 27,62 | 4 |
| 2015 | 239 | 5.849,78 | 24,48 | 4 |
| 2016 | 153 | 3.230,91 | 21,12 | 2 |
| 2017 | 158 | 4.513,25 | 28,56 | 2 |
| 2018 | 150 | 3.709,84 | 24,73 | 2 |
| 2019 | 135 | 3.227,59 | 23,91 | 2 |
| 2020 | 146 | 3.926,95 | 26,90 | 2 |
| 2021 | 115 | 3.050,95 | 26,53 | 2 |
| 2022 | 105 | 2.768,19 | 26,36 | 2 |
| 2023 | 109 | 2.515,86 | 23,08 | 2 |
| 2024 | 111 | 2.657,80 | 23,94 | 2 |
| totale | 4.970 | 108.983,64 | 21,93 | 44 |