| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 143 | 4.525,27 | 31,65 | 1 |
| 2009 | 26 | 635,03 | 24,42 | 2 |
| 2010 | 112 | 2.164,14 | 19,32 | 3 |
| 2011 | 229 | 4.906,30 | 21,42 | 2 |
| 2012 | 503 | 10.534,42 | 20,94 | 4 |
| 2013 | 612 | 11.490,31 | 18,78 | 5 |
| 2014 | 657 | 16.131,10 | 24,55 | 4 |
| 2015 | 705 | 16.632,12 | 23,59 | 4 |
| 2016 | 770 | 18.174,59 | 23,60 | 6 |
| 2017 | 785 | 17.894,10 | 22,80 | 7 |
| 2018 | 793 | 18.967,89 | 23,92 | 7 |
| 2019 | 356 | 8.203,36 | 23,04 | 7 |
| 2020 | 313 | 7.932,94 | 25,34 | 7 |
| 2021 | 300 | 7.571,73 | 25,24 | 6 |
| 2022 | 309 | 8.069,33 | 26,11 | 6 |
| 2023 | 303 | 7.514,46 | 24,80 | 5 |
| 2024 | 322 | 7.211,83 | 22,40 | 5 |
| totale | 7.238 | 168.558,92 | 23,29 | 81 |