| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 166 | 5.393,13 | 32,49 | 5 |
| 2007 | 141 | 3.284,41 | 23,29 | 4 |
| 2008 | 167 | 4.487,34 | 26,87 | 4 |
| 2009 | 127 | 3.849,00 | 30,31 | 5 |
| 2010 | 88 | 1.881,14 | 21,38 | 5 |
| 2011 | 82 | 1.690,78 | 20,62 | 4 |
| 2012 | 86 | 1.638,77 | 19,06 | 5 |
| 2013 | 104 | 2.016,90 | 19,39 | 6 |
| 2014 | 92 | 1.934,52 | 21,03 | 5 |
| 2015 | 70 | 1.639,82 | 23,43 | 5 |
| 2016 | 65 | 2.034,79 | 31,30 | 5 |
| 2017 | 57 | 1.854,74 | 32,54 | 5 |
| 2018 | 67 | 1.772,30 | 26,45 | 5 |
| 2019 | 66 | 2.238,60 | 33,92 | 5 |
| 2020 | 64 | 2.672,10 | 41,75 | 5 |
| 2021 | 51 | 2.421,30 | 47,48 | 5 |
| 2022 | 52 | 1.928,70 | 37,09 | 5 |
| 2023 | 55 | 2.273,91 | 41,34 | 5 |
| 2024 | 58 | 2.257,54 | 38,92 | 4 |
| totale | 1.658 | 47.269,79 | 28,51 | 92 |