| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 418 | 9.626,70 | 23,03 | 4 |
| 2007 | 453 | 11.590,72 | 25,59 | 4 |
| 2008 | 472 | 12.924,12 | 27,38 | 4 |
| 2009 | 590 | 14.947,01 | 25,33 | 6 |
| 2010 | 720 | 15.291,49 | 21,24 | 5 |
| 2011 | 796 | 19.502,11 | 24,50 | 4 |
| 2012 | 728 | 18.192,80 | 24,99 | 5 |
| 2013 | 683 | 17.463,79 | 25,57 | 4 |
| 2014 | 871 | 26.011,06 | 29,86 | 6 |
| 2015 | 845 | 26.295,01 | 31,12 | 6 |
| 2016 | 834 | 27.211,53 | 32,63 | 6 |
| 2017 | 904 | 32.367,80 | 35,81 | 9 |
| 2018 | 932 | 33.670,92 | 36,13 | 9 |
| 2019 | 975 | 35.009,01 | 35,91 | 11 |
| 2020 | 926 | 34.638,54 | 37,41 | 10 |
| 2021 | 1.334 | 46.643,14 | 34,96 | 13 |
| 2022 | 1.034 | 38.246,33 | 36,99 | 11 |
| 2023 | 1.177 | 42.506,65 | 36,11 | 12 |
| 2024 | 1.336 | 45.253,86 | 33,87 | 15 |
| totale | 16.028 | 507.392,59 | 31,66 | 144 |