| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 440 | 8.685,99 | 19,74 | 2 |
| 2007 | 65 | 1.626,83 | 25,03 | 1 |
| 2009 | 126 | 2.675,17 | 21,23 | 1 |
| 2010 | 138 | 2.697,30 | 19,55 | 2 |
| 2012 | 57 | 1.374,66 | 24,12 | 1 |
| 2013 | 83 | 1.621,26 | 19,53 | 2 |
| 2014 | 70 | 2.152,73 | 30,75 | 2 |
| 2015 | 154 | 5.415,71 | 35,17 | 4 |
| 2016 | 422 | 15.562,08 | 36,88 | 6 |
| 2017 | 656 | 22.298,83 | 33,99 | 7 |
| 2018 | 852 | 30.605,78 | 35,92 | 7 |
| 2019 | 988 | 33.533,61 | 33,94 | 8 |
| 2020 | 663 | 22.464,24 | 33,88 | 7 |
| 2021 | 731 | 24.210,22 | 33,12 | 9 |
| 2022 | 719 | 25.950,66 | 36,09 | 7 |
| 2023 | 822 | 28.240,81 | 34,36 | 8 |
| 2024 | 772 | 25.946,07 | 33,61 | 10 |
| totale | 7.758 | 255.061,95 | 32,88 | 84 |