| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 197 | 3.554,95 | 18,05 | 3 |
| 2007 | 98 | 2.209,30 | 22,54 | 2 |
| 2008 | 139 | 3.326,74 | 23,93 | 2 |
| 2009 | 176 | 3.824,14 | 21,73 | 4 |
| 2010 | 158 | 2.576,35 | 16,31 | 4 |
| 2011 | 134 | 2.191,25 | 16,35 | 2 |
| 2012 | 162 | 3.112,07 | 19,21 | 3 |
| 2013 | 170 | 2.899,92 | 17,06 | 3 |
| 2014 | 218 | 4.602,61 | 21,11 | 3 |
| 2015 | 180 | 4.227,28 | 23,48 | 3 |
| 2016 | 197 | 4.866,95 | 24,71 | 4 |
| 2017 | 183 | 4.713,02 | 25,75 | 4 |
| 2018 | 194 | 4.527,33 | 23,34 | 4 |
| 2019 | 191 | 4.424,09 | 23,16 | 4 |
| 2020 | 175 | 4.466,92 | 25,53 | 5 |
| 2021 | 168 | 4.990,71 | 29,71 | 4 |
| 2022 | 184 | 5.359,92 | 29,13 | 4 |
| 2023 | 175 | 5.438,65 | 31,08 | 4 |
| 2024 | 183 | 5.785,92 | 31,62 | 5 |
| totale | 3.282 | 77.098,12 | 23,49 | 67 |