| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 588 | 23.911,32 | 40,67 | 2 |
| 2007 | 359 | 18.734,92 | 52,19 | 2 |
| 2008 | 412 | 17.811,45 | 43,23 | 3 |
| 2009 | 546 | 19.203,55 | 35,17 | 5 |
| 2010 | 479 | 16.151,52 | 33,72 | 4 |
| 2011 | 327 | 11.411,94 | 34,90 | 2 |
| 2012 | 426 | 13.810,76 | 32,42 | 6 |
| 2013 | 429 | 14.025,03 | 32,69 | 5 |
| 2014 | 311 | 12.738,98 | 40,96 | 3 |
| 2015 | 316 | 13.864,20 | 43,87 | 4 |
| 2016 | 307 | 13.512,83 | 44,02 | 5 |
| 2017 | 307 | 14.341,34 | 46,71 | 6 |
| 2018 | 286 | 13.251,69 | 46,33 | 6 |
| 2019 | 282 | 11.366,86 | 40,31 | 6 |
| 2020 | 294 | 11.286,87 | 38,39 | 7 |
| 2021 | 249 | 8.630,74 | 34,66 | 5 |
| 2022 | 240 | 8.611,14 | 35,88 | 5 |
| 2023 | 257 | 8.591,97 | 33,43 | 6 |
| 2024 | 260 | 7.897,25 | 30,37 | 6 |
| totale | 6.675 | 259.154,36 | 38,82 | 88 |