| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 111 | 2.199,69 | 19,82 | 2 |
| 2007 | 72 | 1.824,06 | 25,33 | 1 |
| 2008 | 81 | 2.057,33 | 25,40 | 1 |
| 2009 | 62 | 1.454,11 | 23,45 | 2 |
| 2010 | 72 | 1.537,28 | 21,35 | 2 |
| 2011 | 81 | 1.567,32 | 19,35 | 1 |
| 2012 | 62 | 1.234,45 | 19,91 | 2 |
| 2013 | 62 | 1.201,23 | 19,37 | 2 |
| 2014 | 66 | 1.454,75 | 22,04 | 2 |
| 2015 | 55 | 1.116,86 | 20,31 | 2 |
| 2016 | 1 | 113,01 | 113,01 | 1 |
| 2017 | 68 | 1.752,39 | 25,77 | 3 |
| 2018 | 62 | 1.530,07 | 24,68 | 3 |
| 2019 | 62 | 1.448,60 | 23,36 | 3 |
| 2020 | 60 | 1.322,03 | 22,03 | 3 |
| 2021 | 53 | 1.056,36 | 19,93 | 3 |
| 2022 | 60 | 1.231,38 | 20,52 | 3 |
| 2023 | 64 | 1.696,65 | 26,51 | 3 |
| 2024 | 60 | 1.523,28 | 25,39 | 3 |
| totale | 1.214 | 27.320,85 | 22,50 | 42 |