| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 31 | 543,37 | 17,53 | 1 |
| 2007 | 231 | 4.301,21 | 18,62 | 1 |
| 2008 | 99 | 2.035,14 | 20,56 | 1 |
| 2009 | 81 | 1.833,62 | 22,64 | 2 |
| 2010 | 74 | 1.371,42 | 18,53 | 2 |
| 2011 | 154 | 2.965,45 | 19,26 | 2 |
| 2012 | 93 | 1.432,61 | 15,40 | 3 |
| 2013 | 140 | 2.203,84 | 15,74 | 3 |
| 2014 | 241 | 5.763,03 | 23,91 | 3 |
| 2015 | 177 | 4.112,67 | 23,24 | 4 |
| 2016 | 172 | 3.373,34 | 19,61 | 5 |
| 2017 | 152 | 2.954,70 | 19,44 | 4 |
| 2018 | 189 | 4.722,10 | 24,98 | 5 |
| 2019 | 144 | 3.705,84 | 25,74 | 5 |
| 2020 | 126 | 4.401,46 | 34,93 | 5 |
| 2021 | 73 | 2.688,75 | 36,83 | 4 |
| 2022 | 45 | 2.144,05 | 47,65 | 2 |
| 2023 | 50 | 1.503,95 | 30,08 | 3 |
| 2024 | 53 | 1.083,40 | 20,44 | 4 |
| totale | 2.325 | 53.139,95 | 22,86 | 59 |