| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 268 | 4.274,59 | 15,95 | 3 |
| 2007 | 183 | 3.166,67 | 17,30 | 3 |
| 2008 | 130 | 2.552,87 | 19,64 | 2 |
| 2009 | 150 | 2.990,52 | 19,94 | 3 |
| 2010 | 167 | 2.645,66 | 15,84 | 4 |
| 2011 | 141 | 2.291,20 | 16,25 | 2 |
| 2012 | 168 | 2.783,59 | 16,57 | 5 |
| 2013 | 146 | 1.817,96 | 12,45 | 3 |
| 2014 | 570 | 9.403,57 | 16,50 | 5 |
| 2015 | 498 | 8.250,37 | 16,57 | 5 |
| 2016 | 504 | 8.842,06 | 17,54 | 3 |
| 2017 | 403 | 6.898,94 | 17,12 | 3 |
| 2018 | 373 | 6.457,85 | 17,31 | 3 |
| 2019 | 365 | 6.384,01 | 17,49 | 3 |
| 2020 | 310 | 5.928,68 | 19,12 | 3 |
| 2021 | 282 | 5.543,69 | 19,66 | 3 |
| 2022 | 257 | 4.950,76 | 19,26 | 3 |
| 2023 | 273 | 5.092,27 | 18,65 | 5 |
| 2024 | 514 | 8.844,08 | 17,21 | 4 |
| totale | 5.702 | 99.119,34 | 17,38 | 65 |