| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 292 | 6.536,06 | 22,38 | 1 |
| 2007 | 212 | 5.146,97 | 24,28 | 2 |
| 2008 | 139 | 4.438,80 | 31,93 | 3 |
| 2009 | 98 | 2.419,79 | 24,69 | 1 |
| 2010 | 339 | 8.485,79 | 25,03 | 3 |
| 2012 | 158 | 4.085,68 | 25,86 | 4 |
| 2013 | 139 | 3.267,32 | 23,51 | 3 |
| 2014 | 138 | 3.967,41 | 28,75 | 3 |
| 2015 | 159 | 4.160,30 | 26,17 | 3 |
| 2016 | 128 | 3.793,34 | 29,64 | 3 |
| 2017 | 128 | 3.806,03 | 29,73 | 3 |
| 2018 | 119 | 3.188,87 | 26,80 | 3 |
| 2019 | 108 | 3.175,83 | 29,41 | 3 |
| 2020 | 80 | 2.593,61 | 32,42 | 4 |
| 2021 | 84 | 2.547,45 | 30,33 | 4 |
| 2022 | 81 | 3.855,88 | 47,60 | 3 |
| 2023 | 86 | 3.020,45 | 35,12 | 4 |
| 2024 | 91 | 3.959,46 | 43,51 | 3 |
| totale | 2.579 | 72.449,04 | 28,09 | 53 |