| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 310 | 7.903,95 | 25,50 | 2 |
| 2007 | 153 | 7.488,94 | 48,95 | 1 |
| 2008 | 128 | 3.077,58 | 24,04 | 1 |
| 2009 | 167 | 3.755,75 | 22,49 | 2 |
| 2010 | 156 | 2.830,82 | 18,15 | 2 |
| 2011 | 103 | 1.952,69 | 18,96 | 2 |
| 2012 | 136 | 2.485,65 | 18,28 | 3 |
| 2013 | 124 | 2.026,03 | 16,34 | 3 |
| 2014 | 129 | 2.750,07 | 21,32 | 3 |
| 2015 | 134 | 2.890,73 | 21,57 | 3 |
| 2016 | 144 | 3.018,69 | 20,96 | 4 |
| 2017 | 142 | 3.573,38 | 25,16 | 4 |
| 2018 | 128 | 2.542,20 | 19,86 | 3 |
| 2019 | 102 | 2.126,82 | 20,85 | 3 |
| 2020 | 96 | 2.024,03 | 21,08 | 3 |
| 2021 | 100 | 2.250,83 | 22,51 | 4 |
| 2022 | 102 | 2.744,49 | 26,91 | 4 |
| 2023 | 104 | 2.823,28 | 27,15 | 4 |
| 2024 | 97 | 2.203,97 | 22,72 | 4 |
| totale | 2.555 | 60.469,90 | 23,67 | 55 |