| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 649 | 13.178,00 | 20,31 | 2 |
| 2007 | 87 | 2.507,60 | 28,82 | 2 |
| 2008 | 220 | 6.074,96 | 27,61 | 2 |
| 2009 | 411 | 10.015,63 | 24,37 | 4 |
| 2010 | 440 | 8.612,55 | 19,57 | 5 |
| 2011 | 292 | 6.281,51 | 21,51 | 4 |
| 2012 | 471 | 9.131,59 | 19,39 | 5 |
| 2013 | 496 | 8.978,47 | 18,10 | 5 |
| 2014 | 478 | 11.230,81 | 23,50 | 5 |
| 2015 | 513 | 12.612,60 | 24,59 | 5 |
| 2016 | 437 | 10.075,86 | 23,06 | 5 |
| 2017 | 392 | 8.696,06 | 22,18 | 5 |
| 2018 | 298 | 7.546,44 | 25,32 | 5 |
| 2019 | 323 | 7.620,13 | 23,59 | 5 |
| 2020 | 311 | 8.200,35 | 26,37 | 5 |
| 2021 | 271 | 6.802,42 | 25,10 | 4 |
| 2022 | 241 | 6.295,36 | 26,12 | 3 |
| 2023 | 248 | 6.364,47 | 25,66 | 4 |
| 2024 | 271 | 7.031,70 | 25,95 | 4 |
| totale | 6.849 | 157.256,51 | 22,96 | 79 |