| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 163 | 4.013,07 | 24,62 | 2 |
| 2007 | 82 | 2.615,73 | 31,90 | 1 |
| 2008 | 75 | 2.141,63 | 28,56 | 1 |
| 2009 | 91 | 2.582,53 | 28,38 | 2 |
| 2010 | 61 | 1.562,46 | 25,61 | 2 |
| 2011 | 56 | 1.308,64 | 23,37 | 1 |
| 2012 | 51 | 1.337,07 | 26,22 | 2 |
| 2013 | 59 | 1.359,19 | 23,04 | 2 |
| 2014 | 90 | 3.125,95 | 34,73 | 2 |
| 2015 | 68 | 2.052,58 | 30,19 | 2 |
| 2016 | 95 | 3.005,37 | 31,64 | 2 |
| 2017 | 126 | 4.329,80 | 34,36 | 2 |
| 2018 | 117 | 3.561,62 | 30,44 | 2 |
| 2019 | 117 | 3.742,57 | 31,99 | 2 |
| 2020 | 124 | 4.303,87 | 34,71 | 2 |
| 2021 | 124 | 3.578,99 | 28,86 | 2 |
| 2022 | 126 | 3.741,84 | 29,70 | 2 |
| 2023 | 131 | 3.540,91 | 27,03 | 3 |
| 2024 | 111 | 3.751,91 | 33,80 | 4 |
| totale | 1.867 | 55.655,73 | 29,81 | 38 |