| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 384 | 6.838,02 | 17,81 | 3 |
| 2007 | 76 | 1.947,09 | 25,62 | 3 |
| 2008 | 61 | 1.456,90 | 23,88 | 1 |
| 2009 | 283 | 4.888,16 | 17,27 | 3 |
| 2010 | 174 | 3.003,32 | 17,26 | 3 |
| 2011 | 52 | 1.200,47 | 23,09 | 2 |
| 2012 | 163 | 3.124,73 | 19,17 | 3 |
| 2013 | 151 | 2.832,55 | 18,76 | 3 |
| 2014 | 126 | 3.089,56 | 24,52 | 2 |
| 2015 | 100 | 2.342,38 | 23,42 | 2 |
| 2016 | 105 | 3.019,74 | 28,76 | 3 |
| 2017 | 185 | 4.728,11 | 25,56 | 4 |
| 2018 | 186 | 4.954,36 | 26,64 | 4 |
| 2019 | 170 | 4.907,67 | 28,87 | 4 |
| 2020 | 200 | 5.639,07 | 28,20 | 7 |
| 2021 | 213 | 5.541,62 | 26,02 | 7 |
| 2022 | 213 | 6.121,66 | 28,74 | 9 |
| 2023 | 211 | 5.128,33 | 24,30 | 10 |
| 2024 | 218 | 6.289,22 | 28,85 | 10 |
| totale | 3.271 | 77.052,96 | 23,56 | 83 |