| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 112 | 2.233,22 | 19,94 | 2 |
| 2007 | 62 | 1.629,74 | 26,29 | 2 |
| 2008 | 64 | 2.209,37 | 34,52 | 2 |
| 2009 | 60 | 1.640,20 | 27,34 | 3 |
| 2010 | 42 | 1.015,27 | 24,17 | 2 |
| 2011 | 25 | 576,49 | 23,06 | 1 |
| 2012 | 49 | 944,65 | 19,28 | 2 |
| 2013 | 65 | 1.199,91 | 18,46 | 2 |
| 2014 | 63 | 1.564,18 | 24,83 | 2 |
| 2015 | 61 | 1.627,57 | 26,68 | 2 |
| 2016 | 64 | 1.666,64 | 26,04 | 2 |
| 2017 | 71 | 1.614,59 | 22,74 | 2 |
| 2018 | 58 | 1.379,06 | 23,78 | 3 |
| 2019 | 66 | 1.655,71 | 25,09 | 3 |
| 2020 | 93 | 2.957,43 | 31,80 | 4 |
| 2021 | 87 | 2.789,27 | 32,06 | 5 |
| 2022 | 68 | 2.085,86 | 30,67 | 4 |
| 2023 | 67 | 1.930,33 | 28,81 | 4 |
| 2024 | 61 | 1.606,79 | 26,34 | 5 |
| totale | 1.238 | 32.326,28 | 26,11 | 52 |