| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 1.036,64 | 18,51 | 1 |
| 2009 | 12 | 280,71 | 23,39 | 1 |
| 2010 | 7 | 49,60 | 7,09 | 1 |
| 2011 | 25 | 543,53 | 21,74 | 2 |
| 2012 | 124 | 2.201,72 | 17,76 | 3 |
| 2013 | 148 | 2.503,24 | 16,91 | 3 |
| 2014 | 181 | 3.355,45 | 18,54 | 3 |
| 2015 | 205 | 4.207,06 | 20,52 | 3 |
| 2016 | 172 | 3.711,45 | 21,58 | 3 |
| 2017 | 182 | 3.864,87 | 21,24 | 3 |
| 2018 | 187 | 3.622,31 | 19,37 | 3 |
| 2019 | 179 | 3.704,39 | 20,69 | 3 |
| 2020 | 176 | 3.588,05 | 20,39 | 3 |
| 2021 | 164 | 3.352,09 | 20,44 | 3 |
| 2022 | 169 | 3.487,36 | 20,64 | 3 |
| 2023 | 169 | 3.320,60 | 19,65 | 4 |
| 2024 | 166 | 3.135,65 | 18,89 | 4 |
| totale | 2.322 | 45.964,72 | 19,80 | 46 |