| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 224 | 3.269,53 | 14,60 | 1 |
| 2007 | 194 | 4.539,75 | 23,40 | 2 |
| 2008 | 193 | 4.344,91 | 22,51 | 2 |
| 2009 | 269 | 4.679,22 | 17,39 | 3 |
| 2010 | 216 | 4.035,53 | 18,68 | 3 |
| 2011 | 150 | 2.727,70 | 18,18 | 2 |
| 2012 | 251 | 4.516,32 | 17,99 | 3 |
| 2013 | 123 | 1.983,93 | 16,13 | 2 |
| 2014 | 201 | 4.091,54 | 20,36 | 4 |
| 2015 | 246 | 4.948,99 | 20,12 | 3 |
| 2016 | 237 | 4.367,65 | 18,43 | 4 |
| 2017 | 259 | 4.965,33 | 19,17 | 4 |
| 2018 | 232 | 4.873,91 | 21,01 | 4 |
| 2019 | 230 | 4.522,59 | 19,66 | 3 |
| 2020 | 225 | 4.535,73 | 20,16 | 3 |
| 2021 | 211 | 4.056,93 | 19,23 | 3 |
| 2022 | 83 | 2.028,18 | 24,44 | 2 |
| 2023 | 79 | 1.794,88 | 22,72 | 2 |
| 2024 | 299 | 5.765,54 | 19,28 | 3 |
| totale | 3.922 | 76.048,16 | 19,39 | 53 |