| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 916 | 19.308,88 | 21,08 | 4 |
| 2007 | 677 | 16.479,82 | 24,34 | 3 |
| 2008 | 456 | 12.729,32 | 27,92 | 2 |
| 2009 | 477 | 12.223,89 | 25,63 | 4 |
| 2010 | 270 | 4.383,21 | 16,23 | 3 |
| 2011 | 223 | 4.127,26 | 18,51 | 2 |
| 2012 | 284 | 5.618,25 | 19,78 | 3 |
| 2013 | 346 | 6.714,64 | 19,41 | 4 |
| 2014 | 328 | 7.808,32 | 23,81 | 4 |
| 2015 | 316 | 7.185,19 | 22,74 | 5 |
| 2016 | 274 | 6.261,17 | 22,85 | 6 |
| 2017 | 401 | 9.319,63 | 23,24 | 7 |
| 2018 | 504 | 11.343,13 | 22,51 | 8 |
| 2019 | 527 | 12.071,69 | 22,91 | 8 |
| 2020 | 431 | 11.656,87 | 27,05 | 8 |
| 2021 | 410 | 12.096,27 | 29,50 | 9 |
| 2022 | 377 | 10.801,68 | 28,65 | 6 |
| 2023 | 396 | 10.707,14 | 27,04 | 6 |
| 2024 | 413 | 11.157,17 | 27,01 | 6 |
| totale | 8.026 | 191.993,53 | 23,92 | 98 |