| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 104 | 3.290,99 | 31,64 | 2 |
| 2007 | 53 | 1.494,39 | 28,20 | 2 |
| 2008 | 21 | 444,34 | 21,16 | 2 |
| 2009 | 86 | 2.563,70 | 29,81 | 3 |
| 2010 | 73 | 1.749,90 | 23,97 | 3 |
| 2011 | 20 | 386,64 | 19,33 | 1 |
| 2012 | 42 | 1.218,01 | 29,00 | 1 |
| 2013 | 83 | 1.918,06 | 23,11 | 2 |
| 2014 | 74 | 2.644,15 | 35,73 | 1 |
| 2015 | 70 | 2.645,32 | 37,79 | 1 |
| 2016 | 88 | 2.793,62 | 31,75 | 2 |
| 2017 | 144 | 3.691,14 | 25,63 | 3 |
| 2018 | 103 | 3.230,93 | 31,37 | 3 |
| 2019 | 89 | 3.184,46 | 35,78 | 3 |
| 2020 | 97 | 3.218,07 | 33,18 | 4 |
| 2021 | 122 | 3.614,94 | 29,63 | 4 |
| 2022 | 114 | 4.071,50 | 35,71 | 3 |
| 2023 | 116 | 4.818,66 | 41,54 | 2 |
| 2024 | 99 | 3.710,26 | 37,48 | 2 |
| totale | 1.598 | 50.689,08 | 31,72 | 44 |