| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 361 | 12.348,49 | 34,21 | 2 |
| 2007 | 283 | 12.011,68 | 42,44 | 1 |
| 2008 | 420 | 16.653,01 | 39,65 | 1 |
| 2009 | 365 | 13.291,61 | 36,42 | 3 |
| 2010 | 333 | 10.466,53 | 31,43 | 2 |
| 2011 | 285 | 8.330,03 | 29,23 | 1 |
| 2012 | 296 | 9.362,21 | 31,63 | 2 |
| 2013 | 275 | 8.164,54 | 29,69 | 2 |
| 2014 | 352 | 12.215,70 | 34,70 | 2 |
| 2015 | 277 | 11.256,40 | 40,64 | 3 |
| 2016 | 300 | 14.582,41 | 48,61 | 3 |
| 2017 | 300 | 12.659,44 | 42,20 | 3 |
| 2018 | 271 | 10.859,33 | 40,07 | 3 |
| 2019 | 256 | 9.138,35 | 35,70 | 3 |
| 2020 | 225 | 8.213,82 | 36,51 | 3 |
| 2021 | 209 | 7.460,20 | 35,69 | 3 |
| 2022 | 192 | 6.835,75 | 35,60 | 2 |
| 2023 | 189 | 6.416,75 | 33,95 | 2 |
| 2024 | 173 | 5.864,21 | 33,90 | 2 |
| totale | 5.362 | 196.130,46 | 36,58 | 43 |