| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 246 | 3.111,04 | 12,65 | 3 |
| 2007 | 91 | 1.385,36 | 15,22 | 1 |
| 2008 | 51 | 1.039,87 | 20,39 | 1 |
| 2009 | 157 | 2.346,16 | 14,94 | 3 |
| 2010 | 178 | 2.453,02 | 13,78 | 3 |
| 2011 | 220 | 2.749,17 | 12,50 | 2 |
| 2012 | 278 | 3.708,23 | 13,34 | 3 |
| 2013 | 261 | 3.451,38 | 13,22 | 3 |
| 2014 | 270 | 4.501,69 | 16,67 | 3 |
| 2015 | 241 | 3.878,80 | 16,09 | 3 |
| 2016 | 36 | 764,75 | 21,24 | 2 |
| 2017 | 30 | 638,15 | 21,27 | 2 |
| 2018 | 31 | 589,92 | 19,03 | 2 |
| 2019 | 27 | 493,66 | 18,28 | 2 |
| 2020 | 26 | 551,19 | 21,20 | 3 |
| 2021 | 254 | 4.263,21 | 16,78 | 3 |
| 2022 | 16 | 376,65 | 23,54 | 2 |
| 2023 | 36 | 519,61 | 14,43 | 2 |
| 2024 | 44 | 796,19 | 18,10 | 2 |
| totale | 2.493 | 37.618,05 | 15,09 | 45 |