| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 81 | 1.347,81 | 16,64 | 1 |
| 2009 | 22 | 272,01 | 12,36 | 1 |
| 2010 | 20 | 215,91 | 10,80 | 1 |
| 2012 | 29 | 602,65 | 20,78 | 1 |
| 2013 | 41 | 966,60 | 23,58 | 1 |
| 2014 | 38 | 815,23 | 21,45 | 1 |
| 2015 | 47 | 739,67 | 15,74 | 2 |
| 2016 | 41 | 780,51 | 19,04 | 2 |
| 2017 | 48 | 704,70 | 14,68 | 2 |
| 2018 | 48 | 710,87 | 14,81 | 2 |
| 2019 | 35 | 547,64 | 15,65 | 2 |
| 2020 | 39 | 581,55 | 14,91 | 2 |
| 2021 | 33 | 697,96 | 21,15 | 3 |
| 2022 | 33 | 736,45 | 22,32 | 3 |
| 2023 | 26 | 493,86 | 18,99 | 3 |
| 2024 | 32 | 574,72 | 17,96 | 3 |
| totale | 613 | 10.788,14 | 17,60 | 30 |