| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 234 | 6.104,50 | 26,09 | 3 |
| 2007 | 163 | 5.362,98 | 32,90 | 3 |
| 2008 | 149 | 5.278,29 | 35,42 | 2 |
| 2009 | 142 | 4.603,19 | 32,42 | 4 |
| 2010 | 170 | 4.084,71 | 24,03 | 4 |
| 2011 | 147 | 3.784,21 | 25,74 | 3 |
| 2012 | 161 | 4.171,97 | 25,91 | 4 |
| 2013 | 164 | 3.578,02 | 21,82 | 4 |
| 2014 | 150 | 4.739,41 | 31,60 | 4 |
| 2015 | 148 | 5.333,27 | 36,04 | 4 |
| 2016 | 148 | 5.325,96 | 35,99 | 4 |
| 2017 | 139 | 4.707,76 | 33,87 | 4 |
| 2018 | 121 | 4.303,37 | 35,57 | 4 |
| 2019 | 113 | 4.192,33 | 37,10 | 4 |
| 2020 | 116 | 4.336,10 | 37,38 | 4 |
| 2021 | 113 | 3.832,15 | 33,91 | 4 |
| 2022 | 91 | 3.450,83 | 37,92 | 4 |
| 2023 | 101 | 3.737,68 | 37,01 | 5 |
| 2024 | 101 | 3.402,51 | 33,69 | 5 |
| totale | 2.671 | 84.329,24 | 31,57 | 73 |