| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 322 | 6.210,39 | 19,29 | 2 |
| 2007 | 28 | 1.022,80 | 36,53 | 1 |
| 2008 | 41 | 1.453,29 | 35,45 | 1 |
| 2009 | 175 | 3.328,82 | 19,02 | 2 |
| 2010 | 271 | 4.989,69 | 18,41 | 2 |
| 2011 | 39 | 859,33 | 22,03 | 1 |
| 2012 | 232 | 4.327,29 | 18,65 | 3 |
| 2013 | 246 | 3.980,82 | 16,18 | 2 |
| 2014 | 275 | 6.154,31 | 22,38 | 4 |
| 2015 | 239 | 5.150,49 | 21,55 | 3 |
| 2016 | 250 | 5.332,01 | 21,33 | 3 |
| 2017 | 250 | 5.483,80 | 21,94 | 3 |
| 2018 | 231 | 4.984,11 | 21,58 | 3 |
| 2019 | 216 | 4.622,81 | 21,40 | 3 |
| 2020 | 192 | 4.095,79 | 21,33 | 3 |
| 2021 | 149 | 3.709,50 | 24,90 | 2 |
| 2022 | 164 | 3.588,32 | 21,88 | 2 |
| 2023 | 152 | 3.143,41 | 20,68 | 1 |
| 2024 | 163 | 3.604,71 | 22,11 | 2 |
| totale | 3.635 | 76.041,69 | 20,92 | 43 |