| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 320 | 5.464,24 | 17,08 | 4 |
| 2007 | 189 | 3.942,01 | 20,86 | 3 |
| 2008 | 175 | 3.561,79 | 20,35 | 4 |
| 2009 | 178 | 3.643,83 | 20,47 | 5 |
| 2010 | 104 | 2.410,06 | 23,17 | 5 |
| 2011 | 16 | 489,50 | 30,59 | 2 |
| 2012 | 103 | 2.495,98 | 24,23 | 5 |
| 2013 | 93 | 2.074,36 | 22,30 | 4 |
| 2014 | 68 | 2.199,06 | 32,34 | 3 |
| 2015 | 116 | 2.998,48 | 25,85 | 4 |
| 2016 | 127 | 3.504,17 | 27,59 | 4 |
| 2017 | 138 | 3.705,88 | 26,85 | 5 |
| 2018 | 128 | 3.251,97 | 25,41 | 4 |
| 2019 | 106 | 2.486,37 | 23,46 | 3 |
| 2020 | 111 | 2.886,18 | 26,00 | 4 |
| 2021 | 137 | 3.283,05 | 23,96 | 5 |
| 2022 | 140 | 3.591,99 | 25,66 | 5 |
| 2023 | 129 | 2.958,71 | 22,94 | 4 |
| 2024 | 164 | 4.173,60 | 25,45 | 5 |
| totale | 2.542 | 59.121,23 | 23,26 | 78 |