| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 169 | 2.582,41 | 15,28 | 2 |
| 2007 | 52 | 1.095,20 | 21,06 | 2 |
| 2008 | 9 | 167,16 | 18,57 | 1 |
| 2009 | 88 | 1.946,03 | 22,11 | 3 |
| 2010 | 81 | 1.752,49 | 21,64 | 3 |
| 2011 | 41 | 961,15 | 23,44 | 3 |
| 2012 | 104 | 1.821,80 | 17,52 | 4 |
| 2013 | 107 | 1.986,94 | 18,57 | 3 |
| 2014 | 155 | 3.482,46 | 22,47 | 3 |
| 2015 | 133 | 3.141,79 | 23,62 | 3 |
| 2016 | 137 | 3.379,93 | 24,67 | 3 |
| 2017 | 123 | 2.950,08 | 23,98 | 3 |
| 2018 | 143 | 3.225,95 | 22,56 | 3 |
| 2019 | 108 | 2.710,51 | 25,10 | 3 |
| 2020 | 109 | 2.903,17 | 26,63 | 3 |
| 2021 | 112 | 2.785,95 | 24,87 | 3 |
| 2022 | 128 | 3.042,75 | 23,77 | 3 |
| 2023 | 134 | 3.103,31 | 23,16 | 3 |
| 2024 | 122 | 2.649,57 | 21,72 | 4 |
| totale | 2.055 | 45.688,65 | 22,23 | 55 |