| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 149 | 2.456,23 | 16,48 | 3 |
| 2007 | 7 | 121,61 | 17,37 | 2 |
| 2008 | 141 | 3.062,73 | 21,72 | 2 |
| 2009 | 103 | 2.444,99 | 23,74 | 4 |
| 2010 | 127 | 2.413,19 | 19,00 | 4 |
| 2011 | 96 | 2.199,82 | 22,91 | 3 |
| 2012 | 125 | 2.786,00 | 22,29 | 4 |
| 2013 | 114 | 2.504,35 | 21,97 | 4 |
| 2014 | 141 | 3.434,22 | 24,36 | 3 |
| 2015 | 124 | 3.195,56 | 25,77 | 4 |
| 2016 | 134 | 3.242,36 | 24,20 | 4 |
| 2017 | 130 | 3.004,46 | 23,11 | 4 |
| 2018 | 118 | 2.825,95 | 23,95 | 4 |
| 2019 | 119 | 3.078,86 | 25,87 | 4 |
| 2020 | 103 | 2.655,05 | 25,78 | 4 |
| 2021 | 105 | 3.035,23 | 28,91 | 4 |
| 2022 | 111 | 3.220,23 | 29,01 | 4 |
| 2023 | 111 | 2.991,95 | 26,95 | 4 |
| 2024 | 102 | 2.591,14 | 25,40 | 4 |
| totale | 2.160 | 51.263,93 | 23,73 | 69 |