| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 222 | 3.295,85 | 14,85 | 2 |
| 2007 | 25 | 538,62 | 21,54 | 1 |
| 2008 | 13 | 416,32 | 32,02 | 1 |
| 2009 | 155 | 2.562,58 | 16,53 | 4 |
| 2010 | 158 | 2.256,50 | 14,28 | 3 |
| 2011 | 68 | 1.194,94 | 17,57 | 2 |
| 2012 | 90 | 1.601,34 | 17,79 | 2 |
| 2013 | 83 | 1.244,22 | 14,99 | 2 |
| 2014 | 101 | 1.999,94 | 19,80 | 2 |
| 2015 | 102 | 2.251,68 | 22,08 | 2 |
| 2016 | 106 | 2.260,49 | 21,33 | 2 |
| 2017 | 113 | 2.385,78 | 21,11 | 2 |
| 2018 | 113 | 2.425,81 | 21,47 | 2 |
| 2019 | 134 | 2.851,25 | 21,28 | 2 |
| 2020 | 162 | 3.469,73 | 21,42 | 2 |
| 2021 | 168 | 3.433,55 | 20,44 | 2 |
| 2022 | 163 | 3.594,72 | 22,05 | 3 |
| 2023 | 172 | 3.299,16 | 19,18 | 4 |
| 2024 | 155 | 2.849,16 | 18,38 | 4 |
| totale | 2.303 | 43.931,64 | 19,08 | 44 |