| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 533 | 11.391,59 | 21,37 | 2 |
| 2007 | 478 | 11.897,26 | 24,89 | 2 |
| 2008 | 377 | 9.450,32 | 25,07 | 1 |
| 2009 | 430 | 10.674,01 | 24,82 | 3 |
| 2010 | 464 | 9.924,26 | 21,39 | 3 |
| 2011 | 397 | 8.204,30 | 20,67 | 2 |
| 2012 | 410 | 9.152,11 | 22,32 | 3 |
| 2013 | 367 | 7.792,73 | 21,23 | 4 |
| 2014 | 252 | 6.068,03 | 24,08 | 3 |
| 2015 | 238 | 6.711,93 | 28,20 | 4 |
| 2016 | 241 | 7.875,16 | 32,68 | 4 |
| 2017 | 232 | 8.254,20 | 35,58 | 4 |
| 2018 | 203 | 7.103,47 | 34,99 | 4 |
| 2019 | 154 | 4.946,21 | 32,12 | 3 |
| 2020 | 29 | 931,05 | 32,11 | 2 |
| 2021 | 27 | 1.060,36 | 39,27 | 1 |
| 2022 | 29 | 1.166,70 | 40,23 | 1 |
| 2023 | 21 | 932,76 | 44,42 | 2 |
| 2024 | 85 | 2.303,19 | 27,10 | 3 |
| totale | 4.967 | 125.839,64 | 25,34 | 51 |