| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 55 | 837,41 | 15,23 | 2 |
| 2007 | 21 | 427,20 | 20,34 | 1 |
| 2008 | 28 | 447,25 | 15,97 | 1 |
| 2009 | 55 | 1.408,07 | 25,60 | 3 |
| 2010 | 65 | 1.389,59 | 21,38 | 3 |
| 2011 | 56 | 910,20 | 16,25 | 2 |
| 2012 | 49 | 741,93 | 15,14 | 2 |
| 2013 | 68 | 912,21 | 13,41 | 3 |
| 2014 | 61 | 1.083,43 | 17,76 | 3 |
| 2015 | 106 | 1.798,88 | 16,97 | 3 |
| 2016 | 108 | 1.897,03 | 17,57 | 3 |
| 2017 | 106 | 1.873,41 | 17,67 | 3 |
| 2018 | 119 | 2.268,51 | 19,06 | 3 |
| 2019 | 115 | 2.129,16 | 18,51 | 3 |
| 2020 | 139 | 2.652,49 | 19,08 | 3 |
| 2021 | 128 | 2.725,71 | 21,29 | 3 |
| 2022 | 25 | 437,95 | 17,52 | 2 |
| 2023 | 34 | 646,49 | 19,01 | 2 |
| 2024 | 135 | 2.820,90 | 20,90 | 3 |
| totale | 1.473 | 27.407,82 | 18,61 | 48 |