| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 191 | 3.466,79 | 18,15 | 2 |
| 2007 | 137 | 3.231,83 | 23,59 | 1 |
| 2008 | 171 | 3.747,63 | 21,92 | 1 |
| 2009 | 148 | 3.278,15 | 22,15 | 2 |
| 2010 | 164 | 2.721,08 | 16,59 | 2 |
| 2011 | 133 | 2.156,95 | 16,22 | 1 |
| 2012 | 137 | 2.331,17 | 17,02 | 3 |
| 2013 | 137 | 2.445,76 | 17,85 | 3 |
| 2014 | 143 | 3.127,24 | 21,87 | 3 |
| 2015 | 49 | 881,70 | 17,99 | 2 |
| 2016 | 120 | 2.772,82 | 23,11 | 3 |
| 2017 | 115 | 2.764,37 | 24,04 | 3 |
| 2018 | 99 | 2.346,87 | 23,71 | 3 |
| 2019 | 107 | 2.571,61 | 24,03 | 3 |
| 2020 | 100 | 2.342,26 | 23,42 | 3 |
| 2021 | 99 | 2.591,78 | 26,18 | 3 |
| 2022 | 83 | 2.488,35 | 29,98 | 3 |
| 2023 | 111 | 2.856,56 | 25,73 | 3 |
| 2024 | 98 | 2.659,87 | 27,14 | 3 |
| totale | 2.342 | 50.782,79 | 21,68 | 47 |