| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 13 | 196,21 | 15,09 | 1 |
| 2008 | 55 | 2.013,89 | 36,62 | 1 |
| 2009 | 68 | 2.244,21 | 33,00 | 2 |
| 2010 | 67 | 1.877,24 | 28,02 | 2 |
| 2011 | 67 | 1.927,77 | 28,77 | 1 |
| 2012 | 57 | 1.718,32 | 30,15 | 2 |
| 2013 | 52 | 1.371,39 | 26,37 | 2 |
| 2014 | 49 | 1.722,28 | 35,15 | 2 |
| 2015 | 49 | 1.427,76 | 29,14 | 2 |
| 2016 | 63 | 1.903,24 | 30,21 | 2 |
| 2017 | 59 | 1.688,49 | 28,62 | 2 |
| 2018 | 60 | 1.727,75 | 28,80 | 2 |
| 2019 | 61 | 1.605,59 | 26,32 | 2 |
| 2020 | 72 | 2.248,71 | 31,23 | 2 |
| 2021 | 64 | 1.964,96 | 30,70 | 2 |
| 2022 | 59 | 1.856,44 | 31,47 | 2 |
| 2023 | 59 | 1.711,04 | 29,00 | 2 |
| 2024 | 62 | 1.656,54 | 26,72 | 2 |
| totale | 1.036 | 30.861,83 | 29,79 | 33 |