| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 130 | 3.335,32 | 25,66 | 2 |
| 2007 | 51 | 2.410,24 | 47,26 | 2 |
| 2008 | 266 | 9.724,33 | 36,56 | 2 |
| 2009 | 233 | 6.761,02 | 29,02 | 4 |
| 2010 | 241 | 5.798,99 | 24,06 | 5 |
| 2011 | 285 | 6.306,23 | 22,13 | 3 |
| 2012 | 190 | 4.310,03 | 22,68 | 4 |
| 2013 | 213 | 4.579,39 | 21,50 | 4 |
| 2014 | 222 | 5.912,20 | 26,63 | 4 |
| 2015 | 185 | 5.140,29 | 27,79 | 4 |
| 2016 | 166 | 4.583,55 | 27,61 | 4 |
| 2017 | 165 | 4.239,72 | 25,70 | 4 |
| 2018 | 152 | 3.493,54 | 22,98 | 4 |
| 2019 | 135 | 2.858,33 | 21,17 | 4 |
| 2020 | 153 | 3.589,73 | 23,46 | 5 |
| 2021 | 197 | 5.851,98 | 29,71 | 5 |
| 2022 | 265 | 8.383,66 | 31,64 | 4 |
| 2023 | 237 | 7.055,44 | 29,77 | 5 |
| 2024 | 260 | 7.550,51 | 29,04 | 5 |
| totale | 3.746 | 101.884,50 | 27,20 | 74 |