| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 220 | 4.750,61 | 21,59 | 2 |
| 2007 | 242 | 8.928,77 | 36,90 | 2 |
| 2008 | 327 | 11.410,61 | 34,89 | 2 |
| 2009 | 473 | 15.427,34 | 32,62 | 4 |
| 2010 | 524 | 16.144,21 | 30,81 | 4 |
| 2011 | 492 | 14.010,66 | 28,48 | 3 |
| 2012 | 540 | 14.246,28 | 26,38 | 4 |
| 2013 | 607 | 16.841,82 | 27,75 | 5 |
| 2014 | 674 | 22.395,95 | 33,23 | 5 |
| 2015 | 647 | 22.537,30 | 34,83 | 5 |
| 2016 | 615 | 20.457,16 | 33,26 | 5 |
| 2017 | 816 | 24.808,53 | 30,40 | 6 |
| 2018 | 854 | 27.365,04 | 32,04 | 6 |
| 2019 | 909 | 28.747,41 | 31,63 | 6 |
| 2020 | 813 | 28.285,25 | 34,79 | 6 |
| 2021 | 944 | 31.460,77 | 33,33 | 6 |
| 2022 | 1.078 | 34.481,75 | 31,99 | 6 |
| 2023 | 905 | 30.574,29 | 33,78 | 6 |
| 2024 | 845 | 28.079,87 | 33,23 | 6 |
| totale | 12.525 | 400.953,62 | 32,01 | 89 |