| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 178 | 3.561,17 | 20,01 | 2 |
| 2007 | 21 | 538,84 | 25,66 | 1 |
| 2008 | 114 | 3.972,50 | 34,85 | 1 |
| 2009 | 152 | 5.214,58 | 34,31 | 3 |
| 2010 | 148 | 4.158,22 | 28,10 | 6 |
| 2011 | 83 | 3.598,03 | 43,35 | 3 |
| 2012 | 102 | 4.183,93 | 41,02 | 5 |
| 2013 | 144 | 4.388,80 | 30,48 | 6 |
| 2014 | 152 | 5.465,09 | 35,95 | 5 |
| 2015 | 93 | 3.627,36 | 39,00 | 4 |
| 2016 | 90 | 3.358,52 | 37,32 | 5 |
| 2017 | 73 | 2.856,75 | 39,13 | 5 |
| 2018 | 64 | 2.606,82 | 40,73 | 5 |
| 2019 | 88 | 3.391,08 | 38,54 | 5 |
| 2020 | 65 | 2.231,32 | 34,33 | 5 |
| 2021 | 66 | 2.355,37 | 35,69 | 5 |
| 2022 | 64 | 2.684,68 | 41,95 | 5 |
| 2023 | 65 | 2.590,10 | 39,85 | 5 |
| 2024 | 69 | 2.892,39 | 41,92 | 5 |
| totale | 1.831 | 63.675,55 | 34,78 | 81 |