| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 80 | 1.992,64 | 24,91 | 1 |
| 2008 | 23 | 588,17 | 25,57 | 1 |
| 2009 | 45 | 835,30 | 18,56 | 2 |
| 2010 | 46 | 980,00 | 21,30 | 2 |
| 2011 | 23 | 602,12 | 26,18 | 1 |
| 2012 | 50 | 996,07 | 19,92 | 2 |
| 2013 | 49 | 576,16 | 11,76 | 1 |
| 2014 | 41 | 739,30 | 18,03 | 1 |
| 2015 | 45 | 756,82 | 16,82 | 1 |
| 2016 | 31 | 620,69 | 20,02 | 1 |
| 2017 | 45 | 874,51 | 19,43 | 1 |
| 2018 | 38 | 790,93 | 20,81 | 1 |
| 2019 | 33 | 641,99 | 19,45 | 1 |
| 2020 | 34 | 782,38 | 23,01 | 1 |
| 2021 | 30 | 710,68 | 23,69 | 1 |
| 2022 | 34 | 902,63 | 26,55 | 1 |
| 2023 | 24 | 581,94 | 24,25 | 2 |
| 2024 | 50 | 1.155,91 | 23,12 | 3 |
| totale | 721 | 15.128,24 | 20,98 | 24 |