| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 328 | 6.901,13 | 21,04 | 4 |
| 2007 | 273 | 6.912,83 | 25,32 | 5 |
| 2008 | 276 | 5.925,44 | 21,47 | 5 |
| 2009 | 371 | 9.031,06 | 24,34 | 6 |
| 2010 | 467 | 10.815,16 | 23,16 | 7 |
| 2011 | 547 | 10.284,68 | 18,80 | 5 |
| 2012 | 846 | 18.491,03 | 21,86 | 10 |
| 2013 | 818 | 16.197,13 | 19,80 | 10 |
| 2014 | 844 | 20.917,77 | 24,78 | 8 |
| 2015 | 906 | 19.529,86 | 21,56 | 12 |
| 2016 | 853 | 19.414,42 | 22,76 | 10 |
| 2017 | 839 | 19.187,73 | 22,87 | 10 |
| 2018 | 771 | 17.758,49 | 23,03 | 10 |
| 2019 | 672 | 17.373,87 | 25,85 | 9 |
| 2020 | 622 | 15.949,89 | 25,64 | 9 |
| 2021 | 567 | 15.568,05 | 27,46 | 9 |
| 2022 | 563 | 15.167,84 | 26,94 | 8 |
| 2023 | 533 | 13.607,71 | 25,53 | 7 |
| 2024 | 575 | 14.711,26 | 25,58 | 8 |
| totale | 11.671 | 273.745,35 | 23,46 | 152 |