| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 550 | 11.816,46 | 21,48 | 2 |
| 2007 | 169 | 3.943,49 | 23,33 | 1 |
| 2008 | 180 | 4.121,36 | 22,90 | 1 |
| 2009 | 231 | 5.547,50 | 24,02 | 3 |
| 2010 | 274 | 5.227,83 | 19,08 | 3 |
| 2011 | 215 | 4.092,86 | 19,04 | 2 |
| 2012 | 254 | 4.984,21 | 19,62 | 3 |
| 2013 | 262 | 4.900,48 | 18,70 | 3 |
| 2014 | 257 | 5.780,86 | 22,49 | 3 |
| 2015 | 286 | 6.726,93 | 23,52 | 4 |
| 2016 | 249 | 6.306,53 | 25,33 | 4 |
| 2017 | 287 | 7.129,07 | 24,84 | 4 |
| 2018 | 265 | 6.647,60 | 25,09 | 4 |
| 2019 | 244 | 7.172,26 | 29,39 | 3 |
| 2020 | 266 | 7.032,07 | 26,44 | 3 |
| 2021 | 285 | 7.109,12 | 24,94 | 3 |
| 2022 | 267 | 7.632,53 | 28,59 | 3 |
| 2023 | 253 | 7.378,40 | 29,16 | 3 |
| 2024 | 338 | 11.633,03 | 34,42 | 3 |
| totale | 5.132 | 125.182,59 | 24,39 | 55 |