| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 274 | 9.166,83 | 33,46 | 3 |
| 2007 | 416 | 11.953,59 | 28,73 | 1 |
| 2008 | 219 | 9.099,72 | 41,55 | 1 |
| 2009 | 265 | 10.348,14 | 39,05 | 2 |
| 2010 | 292 | 8.793,55 | 30,11 | 3 |
| 2011 | 285 | 8.873,11 | 31,13 | 2 |
| 2012 | 231 | 7.655,43 | 33,14 | 2 |
| 2013 | 254 | 7.287,79 | 28,69 | 2 |
| 2014 | 284 | 10.773,37 | 37,93 | 3 |
| 2015 | 217 | 7.863,60 | 36,24 | 2 |
| 2016 | 211 | 7.290,62 | 34,55 | 2 |
| 2017 | 233 | 8.251,24 | 35,41 | 3 |
| 2018 | 204 | 7.587,99 | 37,20 | 3 |
| 2019 | 202 | 7.026,62 | 34,79 | 3 |
| 2020 | 194 | 7.596,32 | 39,16 | 3 |
| 2021 | 195 | 7.393,55 | 37,92 | 3 |
| 2022 | 165 | 6.654,80 | 40,33 | 3 |
| 2023 | 137 | 5.843,44 | 42,65 | 3 |
| 2024 | 131 | 4.986,39 | 38,06 | 3 |
| totale | 4.409 | 154.446,10 | 35,03 | 47 |