| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 526 | 9.995,07 | 19,00 | 4 |
| 2007 | 276 | 5.690,49 | 20,62 | 3 |
| 2008 | 414 | 9.554,92 | 23,08 | 3 |
| 2009 | 521 | 14.397,48 | 27,63 | 5 |
| 2010 | 507 | 10.246,11 | 20,21 | 5 |
| 2011 | 238 | 3.888,22 | 16,34 | 3 |
| 2012 | 447 | 9.898,64 | 22,14 | 5 |
| 2013 | 465 | 9.575,76 | 20,59 | 5 |
| 2014 | 446 | 11.552,33 | 25,90 | 4 |
| 2015 | 417 | 10.570,95 | 25,35 | 5 |
| 2016 | 571 | 14.427,10 | 25,27 | 5 |
| 2017 | 155 | 3.936,05 | 25,39 | 4 |
| 2018 | 169 | 4.220,15 | 24,97 | 4 |
| 2019 | 175 | 4.480,67 | 25,60 | 5 |
| 2020 | 193 | 5.003,82 | 25,93 | 5 |
| 2021 | 161 | 4.246,57 | 26,38 | 3 |
| 2022 | 169 | 4.596,71 | 27,20 | 3 |
| 2023 | 134 | 3.956,65 | 29,53 | 2 |
| 2024 | 150 | 4.197,19 | 27,98 | 3 |
| totale | 6.134 | 144.434,88 | 23,55 | 76 |