| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 335 | 7.160,60 | 21,37 | 2 |
| 2007 | 131 | 3.244,55 | 24,77 | 1 |
| 2008 | 145 | 2.692,15 | 18,57 | 1 |
| 2009 | 123 | 2.258,51 | 18,36 | 2 |
| 2010 | 217 | 4.715,80 | 21,73 | 4 |
| 2011 | 610 | 15.637,28 | 25,63 | 5 |
| 2012 | 584 | 14.029,37 | 24,02 | 4 |
| 2013 | 170 | 3.773,37 | 22,20 | 2 |
| 2014 | 178 | 4.646,30 | 26,10 | 4 |
| 2015 | 59 | 1.064,25 | 18,04 | 3 |
| 2016 | 42 | 724,77 | 17,26 | 1 |
| 2017 | 21 | 470,93 | 22,43 | 1 |
| 2018 | 14 | 273,84 | 19,56 | 1 |
| 2019 | 16 | 423,81 | 26,49 | 2 |
| 2020 | 174 | 3.849,54 | 22,12 | 3 |
| 2021 | 140 | 3.048,57 | 21,78 | 4 |
| 2022 | 122 | 3.143,92 | 25,77 | 4 |
| 2023 | 167 | 3.918,03 | 23,46 | 5 |
| 2024 | 163 | 3.597,96 | 22,07 | 5 |
| totale | 3.411 | 78.673,55 | 23,06 | 54 |