| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 89 | 1.445,36 | 16,24 | 1 |
| 2009 | 10 | 216,26 | 21,63 | 1 |
| 2010 | 38 | 648,11 | 17,06 | 2 |
| 2011 | 82 | 1.315,32 | 16,04 | 1 |
| 2012 | 65 | 1.126,53 | 17,33 | 2 |
| 2013 | 73 | 1.325,64 | 18,16 | 2 |
| 2014 | 58 | 1.233,85 | 21,27 | 2 |
| 2015 | 55 | 1.093,43 | 19,88 | 2 |
| 2016 | 47 | 1.134,23 | 24,13 | 3 |
| 2017 | 45 | 1.132,43 | 25,17 | 2 |
| 2018 | 40 | 873,99 | 21,85 | 3 |
| 2019 | 59 | 1.291,59 | 21,89 | 3 |
| 2020 | 47 | 1.189,28 | 25,30 | 3 |
| 2021 | 47 | 1.065,97 | 22,68 | 3 |
| 2022 | 50 | 1.079,56 | 21,59 | 3 |
| 2023 | 43 | 880,51 | 20,48 | 2 |
| 2024 | 44 | 868,91 | 19,75 | 2 |
| totale | 892 | 17.920,97 | 20,09 | 37 |