| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 407 | 4.587,80 | 11,27 | 1 |
| 2007 | 266 | 5.175,97 | 19,46 | 1 |
| 2008 | 348 | 6.896,30 | 19,82 | 3 |
| 2009 | 441 | 8.327,82 | 18,88 | 4 |
| 2010 | 512 | 7.993,24 | 15,61 | 6 |
| 2011 | 316 | 5.569,43 | 17,62 | 4 |
| 2012 | 780 | 13.162,02 | 16,87 | 6 |
| 2013 | 814 | 16.301,21 | 20,03 | 6 |
| 2014 | 841 | 18.886,20 | 22,46 | 8 |
| 2015 | 809 | 18.787,81 | 23,22 | 7 |
| 2016 | 676 | 12.982,55 | 19,20 | 7 |
| 2017 | 525 | 10.759,30 | 20,49 | 11 |
| 2018 | 444 | 9.872,37 | 22,24 | 11 |
| 2019 | 442 | 10.325,24 | 23,36 | 11 |
| 2020 | 513 | 13.072,80 | 25,48 | 12 |
| 2021 | 488 | 12.388,72 | 25,39 | 12 |
| 2022 | 420 | 9.835,51 | 23,42 | 10 |
| 2023 | 436 | 9.889,39 | 22,68 | 14 |
| 2024 | 358 | 8.865,55 | 24,76 | 12 |
| totale | 9.836 | 203.679,23 | 20,71 | 146 |