| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 160 | 3.419,80 | 21,37 | 2 |
| 2009 | 27 | 526,75 | 19,51 | 1 |
| 2010 | 85 | 1.653,60 | 19,45 | 2 |
| 2011 | 131 | 2.975,69 | 22,72 | 1 |
| 2012 | 143 | 2.867,02 | 20,05 | 2 |
| 2013 | 143 | 2.897,28 | 20,26 | 2 |
| 2014 | 138 | 3.787,66 | 27,45 | 2 |
| 2015 | 112 | 2.989,45 | 26,69 | 2 |
| 2016 | 128 | 3.268,27 | 25,53 | 4 |
| 2017 | 64 | 1.463,72 | 22,87 | 4 |
| 2018 | 66 | 1.411,80 | 21,39 | 4 |
| 2019 | 55 | 1.081,67 | 19,67 | 4 |
| 2020 | 42 | 846,90 | 20,16 | 4 |
| 2021 | 44 | 933,18 | 21,21 | 4 |
| 2022 | 52 | 1.113,75 | 21,42 | 3 |
| 2023 | 59 | 1.189,91 | 20,17 | 3 |
| 2024 | 82 | 1.635,19 | 19,94 | 4 |
| totale | 1.531 | 34.061,64 | 22,25 | 48 |