| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 534 | 12.922,85 | 24,20 | 2 |
| 2007 | 118 | 5.080,09 | 43,05 | 1 |
| 2008 | 13 | 369,89 | 28,45 | 2 |
| 2009 | 235 | 5.273,36 | 22,44 | 2 |
| 2010 | 227 | 4.787,27 | 21,09 | 2 |
| 2011 | 24 | 716,65 | 29,86 | 1 |
| 2012 | 173 | 3.509,06 | 20,28 | 2 |
| 2013 | 141 | 2.877,28 | 20,41 | 2 |
| 2014 | 116 | 2.374,15 | 20,47 | 2 |
| 2015 | 127 | 2.870,20 | 22,60 | 2 |
| 2016 | 122 | 3.067,89 | 25,15 | 2 |
| 2017 | 123 | 3.102,86 | 25,23 | 2 |
| 2018 | 119 | 2.760,37 | 23,20 | 2 |
| 2019 | 118 | 2.945,35 | 24,96 | 2 |
| 2020 | 124 | 2.990,98 | 24,12 | 2 |
| 2021 | 107 | 2.840,10 | 26,54 | 2 |
| 2022 | 124 | 3.125,01 | 25,20 | 3 |
| 2023 | 147 | 3.564,30 | 24,25 | 4 |
| 2024 | 143 | 3.693,08 | 25,83 | 5 |
| totale | 2.835 | 68.870,74 | 24,29 | 42 |