| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 19 | 364,60 | 19,19 | 1 |
| 2008 | 65 | 1.585,63 | 24,39 | 1 |
| 2009 | 68 | 1.328,12 | 19,53 | 3 |
| 2010 | 87 | 1.728,01 | 19,86 | 3 |
| 2011 | 94 | 1.996,26 | 21,24 | 2 |
| 2012 | 70 | 1.471,24 | 21,02 | 3 |
| 2013 | 56 | 1.121,58 | 20,03 | 3 |
| 2014 | 57 | 1.276,91 | 22,40 | 3 |
| 2015 | 9 | 137,36 | 15,26 | 1 |
| 2016 | 38 | 940,84 | 24,76 | 3 |
| 2017 | 37 | 928,50 | 25,09 | 3 |
| 2018 | 37 | 1.034,75 | 27,97 | 3 |
| 2019 | 28 | 895,96 | 32,00 | 3 |
| 2020 | 31 | 898,53 | 28,98 | 3 |
| 2021 | 37 | 790,97 | 21,38 | 3 |
| 2022 | 29 | 734,06 | 25,31 | 3 |
| 2023 | 30 | 688,77 | 22,96 | 3 |
| 2024 | 30 | 564,21 | 18,81 | 3 |
| totale | 822 | 18.486,30 | 22,49 | 47 |