| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 2.383,41 | 30,56 | 2 |
| 2007 | 93 | 3.103,45 | 33,37 | 2 |
| 2008 | 98 | 2.930,36 | 29,90 | 3 |
| 2009 | 136 | 4.078,87 | 29,99 | 4 |
| 2010 | 176 | 4.187,49 | 23,79 | 4 |
| 2011 | 183 | 5.537,72 | 30,26 | 3 |
| 2012 | 235 | 8.394,67 | 35,72 | 3 |
| 2013 | 212 | 7.133,58 | 33,65 | 3 |
| 2014 | 222 | 9.376,89 | 42,24 | 3 |
| 2015 | 241 | 9.355,07 | 38,82 | 3 |
| 2016 | 256 | 9.411,38 | 36,76 | 3 |
| 2017 | 241 | 9.362,19 | 38,85 | 2 |
| 2018 | 211 | 8.539,58 | 40,47 | 2 |
| 2019 | 192 | 7.021,24 | 36,57 | 2 |
| 2020 | 172 | 6.265,30 | 36,43 | 3 |
| 2021 | 166 | 6.029,88 | 36,32 | 3 |
| 2022 | 184 | 6.832,90 | 37,14 | 3 |
| 2023 | 205 | 7.315,10 | 35,68 | 3 |
| 2024 | 201 | 6.360,65 | 31,65 | 4 |
| totale | 3.502 | 123.619,73 | 35,30 | 55 |