| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 143 | 2.431,10 | 17,00 | 2 |
| 2007 | 20 | 333,14 | 16,66 | 1 |
| 2009 | 264 | 5.987,06 | 22,68 | 4 |
| 2010 | 207 | 4.455,39 | 21,52 | 4 |
| 2011 | 87 | 2.315,78 | 26,62 | 1 |
| 2012 | 213 | 4.379,88 | 20,56 | 4 |
| 2013 | 338 | 6.854,15 | 20,28 | 3 |
| 2014 | 533 | 13.245,73 | 24,85 | 6 |
| 2015 | 263 | 6.413,80 | 24,39 | 2 |
| 2016 | 263 | 6.213,16 | 23,62 | 5 |
| 2017 | 335 | 8.335,76 | 24,88 | 4 |
| 2018 | 253 | 6.270,43 | 24,78 | 5 |
| 2019 | 186 | 4.806,86 | 25,84 | 4 |
| 2020 | 117 | 3.554,73 | 30,38 | 4 |
| 2021 | 91 | 2.877,75 | 31,62 | 4 |
| 2022 | 85 | 2.203,84 | 25,93 | 3 |
| 2023 | 174 | 3.772,01 | 21,68 | 3 |
| 2024 | 184 | 4.292,93 | 23,33 | 4 |
| totale | 3.756 | 88.743,50 | 23,63 | 63 |