| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 310 | 4.389,36 | 14,16 | 2 |
| 2009 | 184 | 2.973,66 | 16,16 | 1 |
| 2010 | 178 | 2.149,29 | 12,07 | 2 |
| 2011 | 65 | 3.379,99 | 52,00 | 1 |
| 2012 | 245 | 3.356,73 | 13,70 | 2 |
| 2013 | 241 | 3.451,78 | 14,32 | 2 |
| 2014 | 267 | 4.614,24 | 17,28 | 2 |
| 2015 | 231 | 4.206,06 | 18,21 | 1 |
| 2016 | 263 | 4.614,56 | 17,55 | 2 |
| 2017 | 232 | 3.955,89 | 17,05 | 2 |
| 2018 | 224 | 3.966,09 | 17,71 | 3 |
| 2019 | 222 | 4.043,51 | 18,21 | 4 |
| 2020 | 217 | 4.409,51 | 20,32 | 4 |
| 2021 | 185 | 3.339,07 | 18,05 | 4 |
| 2022 | 169 | 3.333,66 | 19,73 | 3 |
| 2023 | 170 | 3.128,05 | 18,40 | 4 |
| 2024 | 167 | 3.564,36 | 21,34 | 4 |
| totale | 3.570 | 62.875,81 | 17,61 | 43 |