| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 107 | 2.762,85 | 25,82 | 3 |
| 2007 | 17 | 768,60 | 45,21 | 2 |
| 2008 | 15 | 538,64 | 35,91 | 1 |
| 2009 | 33 | 807,80 | 24,48 | 2 |
| 2010 | 62 | 1.147,96 | 18,52 | 2 |
| 2011 | 42 | 603,23 | 14,36 | 1 |
| 2012 | 67 | 1.627,41 | 24,29 | 3 |
| 2013 | 146 | 3.262,18 | 22,34 | 5 |
| 2014 | 163 | 4.586,97 | 28,14 | 4 |
| 2015 | 160 | 4.180,84 | 26,13 | 4 |
| 2016 | 135 | 3.689,14 | 27,33 | 4 |
| 2017 | 157 | 4.057,38 | 25,84 | 4 |
| 2018 | 115 | 3.053,49 | 26,55 | 3 |
| 2019 | 97 | 2.286,63 | 23,57 | 3 |
| 2020 | 98 | 3.171,71 | 32,36 | 4 |
| 2021 | 72 | 2.317,53 | 32,19 | 3 |
| 2022 | 63 | 2.073,51 | 32,91 | 2 |
| 2023 | 53 | 1.432,51 | 27,03 | 2 |
| 2024 | 74 | 2.260,44 | 30,55 | 4 |
| totale | 1.676 | 44.628,82 | 26,63 | 56 |