| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 924 | 26.152,75 | 28,30 | 4 |
| 2007 | 538 | 18.913,01 | 35,15 | 3 |
| 2008 | 604 | 19.033,76 | 31,51 | 3 |
| 2009 | 500 | 11.831,18 | 23,66 | 3 |
| 2010 | 608 | 17.048,06 | 28,04 | 5 |
| 2011 | 518 | 16.420,97 | 31,70 | 4 |
| 2012 | 409 | 12.663,62 | 30,96 | 4 |
| 2013 | 438 | 11.399,72 | 26,03 | 4 |
| 2014 | 483 | 17.757,54 | 36,77 | 6 |
| 2015 | 412 | 14.326,99 | 34,77 | 5 |
| 2016 | 377 | 10.200,23 | 27,06 | 5 |
| 2017 | 347 | 8.766,50 | 25,26 | 5 |
| 2018 | 332 | 8.300,72 | 25,00 | 5 |
| 2019 | 350 | 9.065,64 | 25,90 | 5 |
| 2020 | 323 | 8.426,81 | 26,09 | 5 |
| 2021 | 301 | 8.063,71 | 26,79 | 6 |
| 2022 | 292 | 8.246,68 | 28,24 | 6 |
| 2023 | 317 | 7.916,47 | 24,97 | 6 |
| 2024 | 353 | 8.767,47 | 24,84 | 8 |
| totale | 8.426 | 243.301,83 | 28,88 | 92 |