| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 2.571,51 | 27,36 | 2 |
| 2008 | 76 | 2.672,85 | 35,17 | 1 |
| 2009 | 68 | 2.066,97 | 30,40 | 2 |
| 2010 | 93 | 2.282,10 | 24,54 | 2 |
| 2011 | 71 | 1.736,80 | 24,46 | 1 |
| 2012 | 93 | 2.470,58 | 26,57 | 2 |
| 2013 | 69 | 1.773,66 | 25,71 | 2 |
| 2014 | 86 | 2.445,17 | 28,43 | 2 |
| 2015 | 77 | 2.279,82 | 29,61 | 2 |
| 2016 | 105 | 3.523,23 | 33,55 | 2 |
| 2017 | 94 | 3.994,46 | 42,49 | 2 |
| 2018 | 100 | 3.876,43 | 38,76 | 2 |
| 2019 | 88 | 4.843,44 | 55,04 | 2 |
| 2020 | 80 | 6.591,78 | 82,40 | 2 |
| 2021 | 82 | 2.365,79 | 28,85 | 2 |
| 2022 | 12 | 362,41 | 30,20 | 1 |
| 2023 | 15 | 2.761,79 | 184,12 | 2 |
| 2024 | 16 | 2.468,15 | 154,26 | 2 |
| totale | 1.319 | 51.086,94 | 38,73 | 33 |