| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 1.204,77 | 25,10 | 2 |
| 2007 | 26 | 511,29 | 19,67 | 1 |
| 2008 | 56 | 1.385,69 | 24,74 | 1 |
| 2009 | 77 | 1.989,32 | 25,84 | 3 |
| 2010 | 74 | 1.794,46 | 24,25 | 3 |
| 2011 | 81 | 1.829,71 | 22,59 | 2 |
| 2012 | 73 | 1.687,01 | 23,11 | 3 |
| 2013 | 82 | 1.604,88 | 19,57 | 3 |
| 2014 | 115 | 2.893,59 | 25,16 | 3 |
| 2015 | 71 | 1.860,92 | 26,21 | 2 |
| 2016 | 50 | 1.297,15 | 25,94 | 2 |
| 2017 | 29 | 499,74 | 17,23 | 2 |
| 2018 | 36 | 725,36 | 20,15 | 2 |
| 2019 | 36 | 746,95 | 20,75 | 2 |
| 2020 | 54 | 1.531,99 | 28,37 | 2 |
| 2021 | 65 | 1.646,62 | 25,33 | 2 |
| 2022 | 44 | 980,32 | 22,28 | 2 |
| 2023 | 49 | 1.194,31 | 24,37 | 2 |
| 2024 | 48 | 1.016,30 | 21,17 | 2 |
| totale | 1.114 | 26.400,38 | 23,70 | 41 |