| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 319 | 7.882,87 | 24,71 | 3 |
| 2007 | 57 | 1.797,80 | 31,54 | 1 |
| 2008 | 45 | 1.256,17 | 27,91 | 1 |
| 2009 | 94 | 2.666,01 | 28,36 | 2 |
| 2010 | 114 | 3.196,29 | 28,04 | 4 |
| 2011 | 107 | 3.199,91 | 29,91 | 2 |
| 2012 | 160 | 5.428,82 | 33,93 | 4 |
| 2013 | 179 | 5.317,14 | 29,70 | 5 |
| 2014 | 146 | 5.013,82 | 34,34 | 6 |
| 2015 | 119 | 4.283,90 | 36,00 | 4 |
| 2016 | 206 | 7.382,59 | 35,84 | 5 |
| 2017 | 399 | 14.619,07 | 36,64 | 6 |
| 2018 | 374 | 14.227,38 | 38,04 | 7 |
| 2019 | 384 | 14.103,67 | 36,73 | 7 |
| 2020 | 408 | 15.017,37 | 36,81 | 8 |
| 2021 | 315 | 11.633,93 | 36,93 | 5 |
| 2022 | 265 | 10.522,04 | 39,71 | 5 |
| 2023 | 366 | 14.326,54 | 39,14 | 5 |
| 2024 | 340 | 13.343,50 | 39,25 | 5 |
| totale | 4.397 | 155.218,82 | 35,30 | 85 |