| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 246 | 5.220,84 | 21,22 | 4 |
| 2007 | 126 | 3.054,10 | 24,24 | 2 |
| 2008 | 183 | 4.677,64 | 25,56 | 2 |
| 2009 | 205 | 4.874,92 | 23,78 | 3 |
| 2010 | 184 | 3.994,53 | 21,71 | 3 |
| 2011 | 180 | 4.050,81 | 22,50 | 2 |
| 2012 | 509 | 10.230,77 | 20,10 | 4 |
| 2013 | 272 | 5.072,15 | 18,65 | 4 |
| 2014 | 237 | 5.756,93 | 24,29 | 4 |
| 2015 | 224 | 5.525,39 | 24,67 | 4 |
| 2016 | 232 | 5.410,89 | 23,32 | 4 |
| 2017 | 235 | 5.149,38 | 21,91 | 4 |
| 2018 | 221 | 4.736,38 | 21,43 | 4 |
| 2019 | 207 | 4.795,05 | 23,16 | 4 |
| 2020 | 187 | 4.811,28 | 25,73 | 4 |
| 2021 | 154 | 4.373,54 | 28,40 | 4 |
| 2022 | 175 | 5.137,48 | 29,36 | 5 |
| 2023 | 183 | 4.605,03 | 25,16 | 5 |
| 2024 | 160 | 3.866,29 | 24,16 | 5 |
| totale | 4.120 | 95.343,40 | 23,14 | 71 |