| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 173 | 5.667,67 | 32,76 | 2 |
| 2007 | 116 | 4.645,18 | 40,04 | 2 |
| 2008 | 136 | 7.517,19 | 55,27 | 1 |
| 2009 | 139 | 4.686,19 | 33,71 | 2 |
| 2010 | 109 | 3.301,47 | 30,29 | 2 |
| 2011 | 121 | 3.715,28 | 30,70 | 1 |
| 2012 | 170 | 3.972,08 | 23,37 | 3 |
| 2013 | 136 | 3.500,11 | 25,74 | 2 |
| 2014 | 108 | 3.531,03 | 32,69 | 2 |
| 2015 | 105 | 3.387,39 | 32,26 | 2 |
| 2016 | 165 | 3.802,18 | 23,04 | 3 |
| 2017 | 122 | 3.112,43 | 25,51 | 3 |
| 2018 | 97 | 2.590,80 | 26,71 | 3 |
| 2019 | 80 | 2.806,33 | 35,08 | 3 |
| 2020 | 85 | 2.955,72 | 34,77 | 3 |
| 2021 | 70 | 2.372,95 | 33,90 | 2 |
| 2022 | 82 | 2.918,11 | 35,59 | 2 |
| 2023 | 17 | 584,83 | 34,40 | 1 |
| 2024 | 14 | 465,31 | 33,24 | 2 |
| totale | 2.045 | 65.532,25 | 32,05 | 41 |