| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 501 | 14.551,40 | 29,04 | 2 |
| 2007 | 395 | 16.609,65 | 42,05 | 1 |
| 2008 | 362 | 15.451,14 | 42,68 | 1 |
| 2009 | 337 | 13.128,03 | 38,96 | 2 |
| 2010 | 386 | 12.180,39 | 31,56 | 2 |
| 2011 | 387 | 13.541,20 | 34,99 | 1 |
| 2012 | 343 | 12.125,35 | 35,35 | 2 |
| 2013 | 326 | 11.399,98 | 34,97 | 2 |
| 2014 | 300 | 12.563,06 | 41,88 | 2 |
| 2015 | 261 | 12.080,29 | 46,28 | 3 |
| 2016 | 56 | 1.971,97 | 35,21 | 2 |
| 2017 | 292 | 13.146,71 | 45,02 | 3 |
| 2018 | 292 | 13.186,33 | 45,16 | 3 |
| 2019 | 283 | 13.608,78 | 48,09 | 3 |
| 2020 | 281 | 12.818,57 | 45,62 | 3 |
| 2021 | 257 | 11.235,09 | 43,72 | 3 |
| 2022 | 222 | 10.297,05 | 46,38 | 3 |
| 2023 | 206 | 9.326,96 | 45,28 | 3 |
| 2024 | 209 | 8.770,56 | 41,96 | 4 |
| totale | 5.696 | 227.992,51 | 40,03 | 45 |