| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 377 | 5.742,81 | 15,23 | 4 |
| 2007 | 139 | 2.472,85 | 17,79 | 3 |
| 2008 | 115 | 1.867,11 | 16,24 | 3 |
| 2009 | 139 | 2.125,20 | 15,29 | 4 |
| 2010 | 152 | 2.073,75 | 13,64 | 5 |
| 2011 | 152 | 2.124,98 | 13,98 | 3 |
| 2012 | 162 | 3.007,38 | 18,56 | 5 |
| 2013 | 166 | 2.668,69 | 16,08 | 5 |
| 2014 | 134 | 3.110,32 | 23,21 | 5 |
| 2015 | 123 | 2.814,11 | 22,88 | 4 |
| 2016 | 119 | 2.693,33 | 22,63 | 4 |
| 2017 | 116 | 2.444,13 | 21,07 | 4 |
| 2018 | 113 | 2.950,12 | 26,11 | 4 |
| 2019 | 101 | 2.214,13 | 21,92 | 4 |
| 2020 | 104 | 2.523,13 | 24,26 | 4 |
| 2021 | 105 | 2.334,84 | 22,24 | 4 |
| 2022 | 84 | 2.592,32 | 30,86 | 4 |
| 2023 | 77 | 2.257,06 | 29,31 | 4 |
| 2024 | 98 | 1.946,75 | 19,86 | 4 |
| totale | 2.576 | 49.963,01 | 19,40 | 77 |