| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 75 | 1.237,38 | 16,50 | 2 |
| 2007 | 29 | 649,54 | 22,40 | 1 |
| 2008 | 35 | 783,60 | 22,39 | 2 |
| 2009 | 20 | 419,69 | 20,98 | 2 |
| 2010 | 219 | 3.427,01 | 15,65 | 3 |
| 2011 | 143 | 2.125,45 | 14,86 | 1 |
| 2012 | 154 | 2.483,42 | 16,13 | 2 |
| 2013 | 145 | 2.221,30 | 15,32 | 2 |
| 2014 | 150 | 2.813,41 | 18,76 | 2 |
| 2015 | 159 | 2.919,01 | 18,36 | 2 |
| 2016 | 158 | 2.870,21 | 18,17 | 2 |
| 2017 | 222 | 5.147,74 | 23,19 | 3 |
| 2018 | 231 | 4.959,44 | 21,47 | 3 |
| 2019 | 231 | 5.065,39 | 21,93 | 3 |
| 2020 | 203 | 4.536,81 | 22,35 | 3 |
| 2021 | 132 | 2.448,19 | 18,55 | 2 |
| 2022 | 134 | 2.653,55 | 19,80 | 2 |
| 2023 | 130 | 2.664,32 | 20,49 | 2 |
| 2024 | 129 | 2.512,76 | 19,48 | 3 |
| totale | 2.699 | 51.938,22 | 19,24 | 42 |