| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 281 | 5.878,04 | 20,92 | 1 |
| 2009 | 95 | 1.687,06 | 17,76 | 1 |
| 2010 | 182 | 3.710,22 | 20,39 | 2 |
| 2011 | 66 | 920,45 | 13,95 | 1 |
| 2012 | 195 | 3.950,66 | 20,26 | 3 |
| 2013 | 164 | 2.989,77 | 18,23 | 2 |
| 2014 | 196 | 5.301,86 | 27,05 | 4 |
| 2015 | 181 | 4.989,82 | 27,57 | 3 |
| 2016 | 207 | 6.234,39 | 30,12 | 4 |
| 2017 | 222 | 6.471,91 | 29,15 | 4 |
| 2018 | 218 | 5.598,13 | 25,68 | 4 |
| 2019 | 206 | 5.587,11 | 27,12 | 4 |
| 2020 | 211 | 5.682,03 | 26,93 | 4 |
| 2021 | 180 | 4.567,56 | 25,38 | 3 |
| 2022 | 167 | 4.483,95 | 26,85 | 3 |
| 2023 | 154 | 3.490,88 | 22,67 | 4 |
| 2024 | 136 | 2.999,24 | 22,05 | 3 |
| totale | 3.061 | 74.543,08 | 24,35 | 50 |