| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 238 | 4.447,68 | 18,69 | 2 |
| 2007 | 72 | 1.368,13 | 19,00 | 1 |
| 2008 | 134 | 3.451,91 | 25,76 | 2 |
| 2009 | 182 | 9.268,98 | 50,93 | 3 |
| 2010 | 318 | 6.737,35 | 21,19 | 3 |
| 2011 | 226 | 5.061,09 | 22,39 | 2 |
| 2012 | 259 | 6.997,51 | 27,02 | 4 |
| 2013 | 211 | 5.132,08 | 24,32 | 4 |
| 2014 | 227 | 6.639,87 | 29,25 | 4 |
| 2015 | 219 | 6.927,98 | 31,63 | 4 |
| 2016 | 238 | 6.570,85 | 27,61 | 4 |
| 2017 | 249 | 6.729,60 | 27,03 | 5 |
| 2018 | 256 | 7.610,12 | 29,73 | 5 |
| 2019 | 256 | 6.524,24 | 25,49 | 6 |
| 2020 | 233 | 6.481,66 | 27,82 | 6 |
| 2021 | 213 | 6.025,25 | 28,29 | 5 |
| 2022 | 135 | 3.987,33 | 29,54 | 4 |
| 2023 | 120 | 3.966,45 | 33,05 | 3 |
| 2024 | 114 | 3.546,51 | 31,11 | 3 |
| totale | 3.900 | 107.474,59 | 27,56 | 70 |