| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 18 | 207,79 | 11,54 | 1 |
| 2009 | 3 | 44,22 | 14,74 | 1 |
| 2010 | 5 | 51,63 | 10,33 | 1 |
| 2012 | 12 | 158,35 | 13,20 | 1 |
| 2013 | 57 | 892,64 | 15,66 | 2 |
| 2014 | 77 | 1.397,85 | 18,15 | 2 |
| 2015 | 152 | 3.406,70 | 22,41 | 2 |
| 2016 | 163 | 3.551,28 | 21,79 | 2 |
| 2017 | 163 | 3.157,18 | 19,37 | 2 |
| 2018 | 168 | 3.272,71 | 19,48 | 2 |
| 2019 | 186 | 3.901,53 | 20,98 | 2 |
| 2020 | 173 | 3.816,86 | 22,06 | 2 |
| 2021 | 184 | 4.326,58 | 23,51 | 3 |
| 2022 | 183 | 4.297,08 | 23,48 | 3 |
| 2023 | 200 | 4.604,52 | 23,02 | 3 |
| 2024 | 192 | 4.494,03 | 23,41 | 3 |
| totale | 1.936 | 41.580,95 | 21,48 | 32 |