| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 226 | 4.321,11 | 19,12 | 4 |
| 2007 | 130 | 2.812,67 | 21,64 | 2 |
| 2008 | 196 | 4.403,54 | 22,47 | 3 |
| 2009 | 147 | 3.329,52 | 22,65 | 4 |
| 2010 | 131 | 2.565,58 | 19,58 | 3 |
| 2011 | 120 | 2.441,98 | 20,35 | 2 |
| 2012 | 108 | 2.388,90 | 22,12 | 3 |
| 2013 | 131 | 2.409,34 | 18,39 | 3 |
| 2014 | 127 | 2.734,93 | 21,53 | 3 |
| 2015 | 121 | 3.041,28 | 25,13 | 3 |
| 2016 | 118 | 2.702,65 | 22,90 | 3 |
| 2017 | 140 | 3.050,71 | 21,79 | 3 |
| 2018 | 124 | 2.750,23 | 22,18 | 3 |
| 2019 | 123 | 2.810,65 | 22,85 | 3 |
| 2020 | 121 | 3.110,80 | 25,71 | 3 |
| 2021 | 119 | 2.980,10 | 25,04 | 3 |
| 2022 | 125 | 3.210,62 | 25,68 | 3 |
| 2023 | 126 | 3.036,86 | 24,10 | 3 |
| 2024 | 137 | 3.044,29 | 22,22 | 3 |
| totale | 2.570 | 57.145,76 | 22,24 | 57 |