| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 195 | 5.722,77 | 29,35 | 4 |
| 2007 | 114 | 4.547,97 | 39,89 | 3 |
| 2008 | 166 | 7.026,45 | 42,33 | 3 |
| 2009 | 162 | 6.808,30 | 42,03 | 4 |
| 2010 | 181 | 5.752,86 | 31,78 | 4 |
| 2011 | 204 | 6.532,87 | 32,02 | 3 |
| 2012 | 242 | 6.545,57 | 27,05 | 4 |
| 2013 | 210 | 5.436,12 | 25,89 | 4 |
| 2014 | 206 | 8.167,93 | 39,65 | 4 |
| 2015 | 194 | 6.315,20 | 32,55 | 4 |
| 2016 | 205 | 6.486,67 | 31,64 | 4 |
| 2017 | 216 | 6.622,15 | 30,66 | 4 |
| 2018 | 197 | 5.840,09 | 29,65 | 4 |
| 2019 | 181 | 4.782,93 | 26,43 | 4 |
| 2020 | 188 | 5.728,99 | 30,47 | 4 |
| 2021 | 188 | 5.373,60 | 28,58 | 4 |
| 2022 | 79 | 2.012,23 | 25,47 | 2 |
| 2023 | 95 | 2.343,33 | 24,67 | 2 |
| 2024 | 77 | 1.759,33 | 22,85 | 2 |
| totale | 3.300 | 103.805,36 | 31,46 | 67 |