| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 307 | 7.880,09 | 25,67 | 3 |
| 2007 | 91 | 3.930,71 | 43,19 | 3 |
| 2008 | 95 | 4.707,38 | 49,55 | 4 |
| 2009 | 119 | 5.757,26 | 48,38 | 5 |
| 2010 | 136 | 4.337,81 | 31,90 | 5 |
| 2011 | 119 | 2.370,97 | 19,92 | 4 |
| 2012 | 118 | 3.842,84 | 32,57 | 5 |
| 2013 | 271 | 6.124,14 | 22,60 | 6 |
| 2014 | 225 | 7.037,61 | 31,28 | 5 |
| 2015 | 94 | 4.519,27 | 48,08 | 5 |
| 2016 | 101 | 4.011,60 | 39,72 | 6 |
| 2017 | 166 | 5.321,24 | 32,06 | 7 |
| 2018 | 171 | 5.531,37 | 32,35 | 6 |
| 2019 | 165 | 5.298,98 | 32,12 | 6 |
| 2020 | 165 | 5.496,89 | 33,31 | 6 |
| 2021 | 190 | 6.824,26 | 35,92 | 7 |
| 2022 | 115 | 4.312,64 | 37,50 | 6 |
| 2023 | 96 | 2.751,61 | 28,66 | 5 |
| 2024 | 213 | 6.321,55 | 29,68 | 6 |
| totale | 2.957 | 96.378,22 | 32,59 | 100 |