| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 382 | 4.312,15 | 11,29 | 2 |
| 2007 | 428 | 6.199,65 | 14,49 | 1 |
| 2008 | 132 | 2.492,47 | 18,88 | 1 |
| 2009 | 471 | 7.529,91 | 15,99 | 3 |
| 2010 | 765 | 9.548,06 | 12,48 | 3 |
| 2011 | 874 | 9.992,02 | 11,43 | 2 |
| 2012 | 923 | 11.683,31 | 12,66 | 4 |
| 2013 | 809 | 9.098,71 | 11,25 | 4 |
| 2014 | 772 | 10.992,84 | 14,24 | 4 |
| 2015 | 455 | 7.797,79 | 17,14 | 4 |
| 2016 | 309 | 3.932,76 | 12,73 | 3 |
| 2017 | 698 | 11.467,94 | 16,43 | 6 |
| 2018 | 845 | 14.728,52 | 17,43 | 6 |
| 2019 | 658 | 13.071,55 | 19,87 | 6 |
| 2020 | 642 | 13.059,62 | 20,34 | 5 |
| 2021 | 619 | 12.127,14 | 19,59 | 5 |
| 2022 | 470 | 11.154,13 | 23,73 | 6 |
| 2023 | 751 | 12.933,87 | 17,22 | 7 |
| 2024 | 632 | 11.437,78 | 18,10 | 8 |
| totale | 11.635 | 183.560,22 | 15,78 | 80 |