| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 377 | 5.521,39 | 14,65 | 3 |
| 2007 | 128 | 3.131,73 | 24,47 | 2 |
| 2008 | 506 | 11.338,85 | 22,41 | 5 |
| 2009 | 430 | 9.530,65 | 22,16 | 5 |
| 2010 | 553 | 10.802,94 | 19,54 | 7 |
| 2011 | 505 | 10.217,70 | 20,23 | 4 |
| 2012 | 568 | 10.842,70 | 19,09 | 4 |
| 2013 | 532 | 10.890,64 | 20,47 | 3 |
| 2014 | 469 | 10.705,43 | 22,83 | 2 |
| 2015 | 753 | 16.120,85 | 21,41 | 4 |
| 2016 | 574 | 12.155,03 | 21,18 | 4 |
| 2017 | 616 | 13.635,41 | 22,14 | 6 |
| 2018 | 593 | 13.650,60 | 23,02 | 6 |
| 2019 | 619 | 14.243,43 | 23,01 | 6 |
| 2020 | 599 | 13.402,89 | 22,38 | 6 |
| 2021 | 581 | 12.721,87 | 21,90 | 6 |
| 2022 | 478 | 11.130,06 | 23,28 | 6 |
| 2023 | 596 | 12.736,28 | 21,37 | 8 |
| 2024 | 522 | 11.903,09 | 22,80 | 8 |
| totale | 9.999 | 214.681,54 | 21,47 | 95 |