| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 209 | 4.768,16 | 22,81 | 2 |
| 2007 | 172 | 4.040,90 | 23,49 | 1 |
| 2008 | 246 | 7.356,71 | 29,91 | 2 |
| 2009 | 277 | 7.093,07 | 25,61 | 3 |
| 2010 | 290 | 6.796,75 | 23,44 | 2 |
| 2011 | 303 | 6.802,42 | 22,45 | 2 |
| 2012 | 297 | 7.266,22 | 24,47 | 3 |
| 2013 | 254 | 5.632,98 | 22,18 | 3 |
| 2014 | 228 | 5.504,61 | 24,14 | 3 |
| 2015 | 216 | 5.025,75 | 23,27 | 3 |
| 2016 | 186 | 5.010,69 | 26,94 | 4 |
| 2017 | 219 | 5.777,96 | 26,38 | 4 |
| 2018 | 203 | 5.299,30 | 26,10 | 4 |
| 2019 | 203 | 5.278,73 | 26,00 | 4 |
| 2020 | 200 | 5.311,10 | 26,56 | 4 |
| 2021 | 208 | 4.921,10 | 23,66 | 4 |
| 2022 | 59 | 1.833,82 | 31,08 | 3 |
| 2023 | 66 | 1.989,90 | 30,15 | 3 |
| 2024 | 198 | 5.564,65 | 28,10 | 6 |
| totale | 4.034 | 101.274,82 | 25,11 | 60 |