| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 447 | 9.892,18 | 22,13 | 3 |
| 2007 | 164 | 5.372,89 | 32,76 | 2 |
| 2008 | 161 | 5.125,45 | 31,84 | 3 |
| 2009 | 257 | 6.380,54 | 24,83 | 4 |
| 2010 | 264 | 6.050,99 | 22,92 | 3 |
| 2011 | 240 | 5.476,95 | 22,82 | 3 |
| 2012 | 289 | 6.437,09 | 22,27 | 5 |
| 2013 | 362 | 6.695,53 | 18,50 | 3 |
| 2014 | 381 | 9.016,81 | 23,67 | 3 |
| 2015 | 448 | 11.135,82 | 24,86 | 3 |
| 2016 | 480 | 12.408,35 | 25,85 | 4 |
| 2017 | 471 | 12.042,07 | 25,57 | 4 |
| 2018 | 450 | 11.324,85 | 25,17 | 4 |
| 2019 | 483 | 11.649,71 | 24,12 | 4 |
| 2020 | 480 | 11.970,27 | 24,94 | 4 |
| 2021 | 389 | 9.860,20 | 25,35 | 3 |
| 2022 | 362 | 9.384,61 | 25,92 | 3 |
| 2023 | 382 | 9.020,68 | 23,61 | 3 |
| 2024 | 384 | 8.931,84 | 23,26 | 3 |
| totale | 6.894 | 168.176,83 | 24,39 | 64 |