| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 234 | 4.596,71 | 19,64 | 2 |
| 2007 | 139 | 3.595,24 | 25,87 | 1 |
| 2008 | 117 | 2.871,89 | 24,55 | 1 |
| 2009 | 143 | 3.337,36 | 23,34 | 3 |
| 2010 | 118 | 2.236,67 | 18,95 | 2 |
| 2011 | 80 | 1.631,65 | 20,40 | 1 |
| 2012 | 89 | 2.052,96 | 23,07 | 2 |
| 2013 | 106 | 2.127,17 | 20,07 | 2 |
| 2014 | 103 | 3.552,86 | 34,49 | 2 |
| 2015 | 107 | 3.270,07 | 30,56 | 2 |
| 2016 | 239 | 6.976,54 | 29,19 | 2 |
| 2017 | 250 | 5.874,11 | 23,50 | 2 |
| 2018 | 225 | 5.870,85 | 26,09 | 2 |
| 2019 | 223 | 5.339,49 | 23,94 | 2 |
| 2020 | 242 | 5.920,34 | 24,46 | 2 |
| 2021 | 212 | 5.460,66 | 25,76 | 2 |
| 2022 | 48 | 2.466,04 | 51,38 | 1 |
| 2023 | 45 | 1.833,66 | 40,75 | 1 |
| 2024 | 48 | 1.413,19 | 29,44 | 1 |
| totale | 2.768 | 70.427,46 | 25,44 | 33 |