| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 43 | 889,24 | 20,68 | 1 |
| 2009 | 58 | 1.102,36 | 19,01 | 1 |
| 2010 | 45 | 877,26 | 19,49 | 1 |
| 2012 | 34 | 802,94 | 23,62 | 1 |
| 2013 | 25 | 610,01 | 24,40 | 1 |
| 2014 | 135 | 3.581,86 | 26,53 | 3 |
| 2015 | 58 | 1.668,56 | 28,77 | 2 |
| 2016 | 570 | 13.860,37 | 24,32 | 3 |
| 2017 | 421 | 11.582,71 | 27,51 | 3 |
| 2018 | 658 | 16.884,99 | 25,66 | 5 |
| 2019 | 719 | 18.354,19 | 25,53 | 7 |
| 2020 | 1.016 | 22.276,24 | 21,93 | 6 |
| 2021 | 835 | 17.597,28 | 21,07 | 6 |
| 2022 | 709 | 15.440,71 | 21,78 | 5 |
| 2023 | 890 | 17.227,03 | 19,36 | 6 |
| 2024 | 650 | 11.870,18 | 18,26 | 8 |
| totale | 6.866 | 154.625,93 | 22,52 | 59 |