| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.784,35 | 21,24 | 1 |
| 2009 | 26 | 459,70 | 17,68 | 1 |
| 2010 | 31 | 502,75 | 16,22 | 1 |
| 2012 | 54 | 1.142,15 | 21,15 | 2 |
| 2013 | 40 | 720,10 | 18,00 | 1 |
| 2014 | 35 | 841,07 | 24,03 | 1 |
| 2015 | 47 | 1.286,60 | 27,37 | 2 |
| 2016 | 32 | 936,57 | 29,27 | 1 |
| 2017 | 33 | 949,73 | 28,78 | 1 |
| 2018 | 23 | 576,98 | 25,09 | 2 |
| 2019 | 27 | 589,91 | 21,85 | 1 |
| 2020 | 30 | 605,16 | 20,17 | 2 |
| 2021 | 34 | 746,39 | 21,95 | 2 |
| 2022 | 33 | 845,62 | 25,62 | 2 |
| 2023 | 38 | 1.025,89 | 27,00 | 2 |
| 2024 | 33 | 881,37 | 26,71 | 3 |
| totale | 600 | 13.894,34 | 23,16 | 25 |