| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 181 | 7.344,69 | 40,58 | 2 |
| 2007 | 182 | 6.819,67 | 37,47 | 2 |
| 2008 | 118 | 4.367,96 | 37,02 | 1 |
| 2009 | 128 | 4.842,98 | 37,84 | 2 |
| 2010 | 189 | 6.049,95 | 32,01 | 3 |
| 2011 | 199 | 6.060,42 | 30,45 | 2 |
| 2012 | 195 | 7.277,80 | 37,32 | 3 |
| 2013 | 181 | 6.401,86 | 35,37 | 3 |
| 2014 | 187 | 6.896,11 | 36,88 | 3 |
| 2015 | 147 | 6.127,30 | 41,68 | 3 |
| 2016 | 146 | 4.585,93 | 31,41 | 3 |
| 2017 | 121 | 3.910,88 | 32,32 | 3 |
| 2018 | 100 | 3.644,68 | 36,45 | 3 |
| 2019 | 135 | 5.975,81 | 44,27 | 3 |
| 2020 | 189 | 6.486,03 | 34,32 | 4 |
| 2021 | 177 | 5.605,42 | 31,67 | 4 |
| 2022 | 186 | 6.603,30 | 35,50 | 4 |
| 2023 | 156 | 6.207,33 | 39,79 | 4 |
| 2024 | 189 | 8.097,24 | 42,84 | 4 |
| totale | 3.106 | 113.305,36 | 36,48 | 56 |