| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 88 | 1.642,36 | 18,66 | 1 |
| 2009 | 37 | 743,67 | 20,10 | 1 |
| 2010 | 123 | 2.540,52 | 20,65 | 2 |
| 2011 | 119 | 2.225,81 | 18,70 | 1 |
| 2012 | 130 | 2.827,46 | 21,75 | 3 |
| 2013 | 162 | 2.906,37 | 17,94 | 3 |
| 2014 | 118 | 3.418,11 | 28,97 | 2 |
| 2015 | 258 | 5.723,31 | 22,18 | 3 |
| 2016 | 172 | 3.611,85 | 21,00 | 2 |
| 2017 | 207 | 6.390,56 | 30,87 | 2 |
| 2018 | 195 | 4.598,58 | 23,58 | 2 |
| 2019 | 100 | 2.597,63 | 25,98 | 2 |
| 2020 | 96 | 2.843,66 | 29,62 | 2 |
| 2021 | 102 | 2.598,61 | 25,48 | 2 |
| 2022 | 102 | 2.480,89 | 24,32 | 2 |
| 2023 | 84 | 1.901,29 | 22,63 | 2 |
| 2024 | 73 | 1.370,16 | 18,77 | 2 |
| totale | 2.166 | 50.420,84 | 23,28 | 34 |