| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 65 | 2.401,09 | 36,94 | 1 |
| 2009 | 24 | 457,10 | 19,05 | 1 |
| 2010 | 14 | 270,79 | 19,34 | 1 |
| 2012 | 115 | 2.230,90 | 19,40 | 1 |
| 2013 | 128 | 2.285,93 | 17,86 | 1 |
| 2014 | 99 | 2.292,44 | 23,16 | 1 |
| 2015 | 81 | 1.743,32 | 21,52 | 1 |
| 2016 | 73 | 1.921,99 | 26,33 | 2 |
| 2017 | 68 | 1.781,00 | 26,19 | 2 |
| 2018 | 67 | 1.635,05 | 24,40 | 2 |
| 2019 | 58 | 1.275,57 | 21,99 | 2 |
| 2020 | 60 | 1.458,09 | 24,30 | 2 |
| 2021 | 69 | 1.611,76 | 23,36 | 3 |
| 2022 | 56 | 1.212,56 | 21,65 | 3 |
| 2023 | 65 | 1.608,30 | 24,74 | 3 |
| 2024 | 64 | 1.548,03 | 24,19 | 3 |
| totale | 1.106 | 25.733,92 | 23,27 | 29 |