| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 86 | 1.550,19 | 18,03 | 2 |
| 2007 | 209 | 4.404,86 | 21,08 | 1 |
| 2008 | 187 | 7.800,16 | 41,71 | 1 |
| 2009 | 256 | 5.256,44 | 20,53 | 3 |
| 2010 | 151 | 3.358,64 | 22,24 | 4 |
| 2011 | 100 | 2.241,52 | 22,42 | 2 |
| 2012 | 185 | 3.724,29 | 20,13 | 4 |
| 2013 | 178 | 3.054,68 | 17,16 | 3 |
| 2014 | 119 | 2.860,94 | 24,04 | 3 |
| 2015 | 105 | 2.292,08 | 21,83 | 2 |
| 2016 | 95 | 2.340,72 | 24,64 | 3 |
| 2017 | 109 | 2.646,89 | 24,28 | 3 |
| 2018 | 117 | 2.754,29 | 23,54 | 4 |
| 2019 | 72 | 1.637,34 | 22,74 | 4 |
| 2020 | 79 | 2.173,91 | 27,52 | 4 |
| 2021 | 65 | 1.809,33 | 27,84 | 4 |
| 2022 | 63 | 2.962,33 | 47,02 | 5 |
| 2023 | 62 | 3.158,67 | 50,95 | 5 |
| 2024 | 53 | 2.547,54 | 48,07 | 4 |
| totale | 2.291 | 58.574,82 | 25,57 | 61 |