| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 381 | 6.492,94 | 17,04 | 3 |
| 2007 | 237 | 4.759,90 | 20,08 | 4 |
| 2008 | 57 | 1.113,30 | 19,53 | 2 |
| 2009 | 462 | 8.354,62 | 18,08 | 4 |
| 2010 | 389 | 6.358,79 | 16,35 | 3 |
| 2011 | 389 | 5.782,88 | 14,87 | 2 |
| 2012 | 480 | 7.468,71 | 15,56 | 3 |
| 2013 | 755 | 13.362,88 | 17,70 | 4 |
| 2014 | 719 | 17.552,90 | 24,41 | 4 |
| 2015 | 623 | 14.186,08 | 22,77 | 4 |
| 2016 | 660 | 15.317,15 | 23,21 | 4 |
| 2017 | 570 | 12.651,75 | 22,20 | 4 |
| 2018 | 577 | 12.390,51 | 21,47 | 4 |
| 2019 | 588 | 12.927,10 | 21,98 | 4 |
| 2020 | 558 | 12.635,29 | 22,64 | 4 |
| 2021 | 536 | 11.997,36 | 22,38 | 4 |
| 2022 | 595 | 13.256,51 | 22,28 | 4 |
| 2023 | 591 | 12.363,71 | 20,92 | 4 |
| 2024 | 616 | 12.948,79 | 21,02 | 4 |
| totale | 9.783 | 201.921,17 | 20,64 | 69 |