| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 477 | 14.995,95 | 31,44 | 3 |
| 2007 | 425 | 13.986,81 | 32,91 | 2 |
| 2008 | 370 | 13.580,42 | 36,70 | 3 |
| 2009 | 350 | 12.094,82 | 34,56 | 3 |
| 2010 | 363 | 11.312,39 | 31,16 | 4 |
| 2011 | 391 | 11.837,84 | 30,28 | 2 |
| 2012 | 514 | 15.678,20 | 30,50 | 4 |
| 2013 | 523 | 15.094,36 | 28,86 | 4 |
| 2014 | 498 | 18.878,05 | 37,91 | 4 |
| 2015 | 506 | 18.438,49 | 36,44 | 4 |
| 2016 | 468 | 16.968,25 | 36,26 | 4 |
| 2017 | 501 | 16.062,10 | 32,06 | 4 |
| 2018 | 455 | 16.870,89 | 37,08 | 4 |
| 2019 | 423 | 15.618,43 | 36,92 | 4 |
| 2020 | 439 | 16.315,68 | 37,17 | 4 |
| 2021 | 395 | 14.987,63 | 37,94 | 4 |
| 2022 | 143 | 4.593,39 | 32,12 | 3 |
| 2023 | 127 | 4.111,57 | 32,37 | 3 |
| 2024 | 132 | 4.288,95 | 32,49 | 3 |
| totale | 7.500 | 255.714,22 | 34,10 | 66 |