| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 335 | 6.167,03 | 18,41 | 2 |
| 2007 | 148 | 3.885,56 | 26,25 | 2 |
| 2008 | 108 | 3.498,85 | 32,40 | 2 |
| 2009 | 175 | 4.116,73 | 23,52 | 3 |
| 2010 | 173 | 3.372,26 | 19,49 | 2 |
| 2011 | 124 | 2.230,22 | 17,99 | 1 |
| 2012 | 324 | 6.252,19 | 19,30 | 3 |
| 2013 | 349 | 6.370,05 | 18,25 | 3 |
| 2014 | 287 | 6.993,45 | 24,37 | 3 |
| 2015 | 101 | 2.373,44 | 23,50 | 2 |
| 2016 | 95 | 1.912,19 | 20,13 | 2 |
| 2017 | 83 | 1.598,45 | 19,26 | 2 |
| 2018 | 75 | 1.403,33 | 18,71 | 2 |
| 2019 | 84 | 1.695,36 | 20,18 | 2 |
| 2020 | 107 | 2.066,58 | 19,31 | 3 |
| 2021 | 119 | 2.254,84 | 18,95 | 3 |
| 2022 | 106 | 2.210,52 | 20,85 | 3 |
| 2023 | 109 | 2.131,32 | 19,55 | 3 |
| 2024 | 130 | 2.256,70 | 17,36 | 3 |
| totale | 3.032 | 62.789,07 | 20,71 | 46 |