| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 32 | 893,35 | 27,92 | 1 |
| 2008 | 46 | 1.217,25 | 26,46 | 2 |
| 2009 | 49 | 1.250,21 | 25,51 | 3 |
| 2010 | 42 | 1.017,22 | 24,22 | 2 |
| 2011 | 66 | 1.307,98 | 19,82 | 2 |
| 2012 | 77 | 1.581,35 | 20,54 | 3 |
| 2013 | 79 | 1.473,44 | 18,65 | 3 |
| 2014 | 68 | 1.712,71 | 25,19 | 3 |
| 2015 | 68 | 1.677,22 | 24,67 | 3 |
| 2016 | 41 | 1.182,84 | 28,85 | 2 |
| 2017 | 40 | 1.203,39 | 30,08 | 2 |
| 2018 | 55 | 1.415,21 | 25,73 | 3 |
| 2019 | 55 | 1.704,04 | 30,98 | 3 |
| 2020 | 55 | 1.499,65 | 27,27 | 3 |
| 2021 | 48 | 1.523,16 | 31,73 | 3 |
| 2022 | 17 | 665,90 | 39,17 | 1 |
| 2023 | 18 | 891,45 | 49,53 | 1 |
| 2024 | 45 | 1.483,45 | 32,97 | 2 |
| totale | 901 | 23.699,82 | 26,30 | 42 |