| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 233 | 4.849,06 | 20,81 | 3 |
| 2007 | 202 | 5.200,18 | 25,74 | 3 |
| 2008 | 233 | 6.963,03 | 29,88 | 4 |
| 2009 | 206 | 4.848,23 | 23,54 | 4 |
| 2010 | 343 | 6.473,90 | 18,87 | 5 |
| 2011 | 302 | 6.833,43 | 22,63 | 4 |
| 2012 | 310 | 5.477,76 | 17,67 | 4 |
| 2013 | 323 | 6.159,88 | 19,07 | 6 |
| 2014 | 274 | 6.724,14 | 24,54 | 5 |
| 2015 | 281 | 7.378,35 | 26,26 | 5 |
| 2016 | 295 | 7.206,63 | 24,43 | 6 |
| 2017 | 318 | 7.680,48 | 24,15 | 6 |
| 2018 | 300 | 6.626,17 | 22,09 | 7 |
| 2019 | 324 | 6.771,71 | 20,90 | 7 |
| 2020 | 288 | 6.662,91 | 23,14 | 7 |
| 2021 | 241 | 5.478,90 | 22,73 | 7 |
| 2022 | 222 | 4.639,38 | 20,90 | 8 |
| 2023 | 243 | 5.159,08 | 21,23 | 8 |
| 2024 | 244 | 4.285,31 | 17,56 | 9 |
| totale | 5.182 | 115.418,53 | 22,27 | 108 |