| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 137 | 2.987,50 | 21,81 | 2 |
| 2007 | 51 | 1.166,59 | 22,87 | 1 |
| 2008 | 64 | 1.411,35 | 22,05 | 2 |
| 2009 | 107 | 2.025,08 | 18,93 | 3 |
| 2010 | 88 | 1.731,06 | 19,67 | 3 |
| 2011 | 87 | 1.453,49 | 16,71 | 2 |
| 2012 | 123 | 2.444,31 | 19,87 | 3 |
| 2013 | 84 | 1.617,47 | 19,26 | 2 |
| 2014 | 150 | 3.667,70 | 24,45 | 3 |
| 2015 | 181 | 4.363,25 | 24,11 | 3 |
| 2016 | 214 | 5.109,88 | 23,88 | 3 |
| 2017 | 237 | 5.179,54 | 21,85 | 4 |
| 2018 | 226 | 4.927,14 | 21,80 | 4 |
| 2019 | 259 | 6.060,05 | 23,40 | 4 |
| 2020 | 186 | 4.704,38 | 25,29 | 4 |
| 2021 | 201 | 5.808,79 | 28,90 | 4 |
| 2022 | 214 | 5.702,19 | 26,65 | 4 |
| 2023 | 229 | 5.884,19 | 25,70 | 4 |
| 2024 | 230 | 5.561,52 | 24,18 | 4 |
| totale | 3.068 | 71.805,48 | 23,40 | 59 |