| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 246 | 6.499,60 | 26,42 | 2 |
| 2007 | 209 | 7.980,15 | 38,18 | 1 |
| 2008 | 213 | 7.073,27 | 33,21 | 1 |
| 2009 | 214 | 6.926,83 | 32,37 | 2 |
| 2010 | 189 | 19.908,29 | 105,33 | 2 |
| 2011 | 198 | 6.155,06 | 31,09 | 1 |
| 2012 | 206 | 7.371,29 | 35,78 | 2 |
| 2013 | 257 | 6.807,75 | 26,49 | 2 |
| 2014 | 235 | 7.395,06 | 31,47 | 2 |
| 2015 | 217 | 7.826,80 | 36,07 | 2 |
| 2016 | 209 | 7.317,20 | 35,01 | 2 |
| 2017 | 207 | 7.911,58 | 38,22 | 2 |
| 2018 | 188 | 6.857,00 | 36,47 | 2 |
| 2019 | 187 | 6.679,67 | 35,72 | 2 |
| 2020 | 158 | 5.824,65 | 36,86 | 2 |
| 2021 | 154 | 6.280,33 | 40,78 | 2 |
| 2022 | 151 | 6.210,64 | 41,13 | 2 |
| 2023 | 139 | 5.655,71 | 40,69 | 2 |
| 2024 | 142 | 5.237,12 | 36,88 | 2 |
| totale | 3.719 | 141.918,00 | 38,16 | 35 |