| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 615 | 12.799,00 | 20,81 | 3 |
| 2007 | 31 | 893,69 | 28,83 | 6 |
| 2008 | 319 | 9.440,06 | 29,59 | 10 |
| 2009 | 572 | 15.351,47 | 26,84 | 14 |
| 2010 | 573 | 13.103,71 | 22,87 | 11 |
| 2011 | 327 | 6.935,76 | 21,21 | 7 |
| 2012 | 906 | 23.018,18 | 25,41 | 13 |
| 2013 | 919 | 23.131,44 | 25,17 | 13 |
| 2014 | 904 | 31.954,17 | 35,35 | 12 |
| 2015 | 870 | 28.824,07 | 33,13 | 11 |
| 2016 | 919 | 29.647,50 | 32,26 | 14 |
| 2017 | 930 | 28.106,00 | 30,22 | 15 |
| 2018 | 924 | 28.955,58 | 31,34 | 17 |
| 2019 | 879 | 29.413,63 | 33,46 | 20 |
| 2020 | 829 | 29.819,78 | 35,97 | 19 |
| 2021 | 764 | 25.607,53 | 33,52 | 19 |
| 2022 | 676 | 24.652,92 | 36,47 | 15 |
| 2023 | 774 | 26.845,56 | 34,68 | 18 |
| 2024 | 725 | 25.962,28 | 35,81 | 20 |
| totale | 13.456 | 414.462,33 | 30,80 | 257 |