| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 856 | 18.381,63 | 21,47 | 4 |
| 2007 | 529 | 10.123,45 | 19,14 | 1 |
| 2008 | 576 | 11.990,36 | 20,82 | 2 |
| 2009 | 707 | 15.596,82 | 22,06 | 3 |
| 2010 | 762 | 15.047,75 | 19,75 | 3 |
| 2011 | 493 | 8.141,35 | 16,51 | 3 |
| 2012 | 686 | 14.403,56 | 21,00 | 4 |
| 2013 | 688 | 13.244,52 | 19,25 | 3 |
| 2014 | 690 | 16.976,27 | 24,60 | 5 |
| 2015 | 649 | 16.596,08 | 25,57 | 4 |
| 2016 | 670 | 17.113,72 | 25,54 | 8 |
| 2017 | 662 | 17.425,04 | 26,32 | 7 |
| 2018 | 604 | 15.818,60 | 26,19 | 7 |
| 2019 | 594 | 15.248,92 | 25,67 | 6 |
| 2020 | 565 | 16.105,94 | 28,51 | 6 |
| 2021 | 520 | 14.318,53 | 27,54 | 6 |
| 2022 | 171 | 4.766,34 | 27,87 | 3 |
| 2023 | 250 | 7.381,24 | 29,52 | 5 |
| 2024 | 264 | 8.419,41 | 31,89 | 6 |
| totale | 10.936 | 257.099,53 | 23,51 | 86 |