| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 49 | 888,60 | 18,13 | 1 |
| 2009 | 31 | 597,79 | 19,28 | 1 |
| 2010 | 26 | 500,27 | 19,24 | 1 |
| 2012 | 28 | 611,58 | 21,84 | 1 |
| 2013 | 20 | 496,23 | 24,81 | 1 |
| 2014 | 67 | 1.522,41 | 22,72 | 2 |
| 2015 | 72 | 1.705,01 | 23,68 | 2 |
| 2016 | 66 | 1.626,54 | 24,64 | 2 |
| 2017 | 86 | 2.235,18 | 25,99 | 2 |
| 2018 | 76 | 2.134,03 | 28,08 | 2 |
| 2019 | 72 | 1.899,75 | 26,39 | 2 |
| 2020 | 41 | 1.209,12 | 29,49 | 2 |
| 2021 | 22 | 656,89 | 29,86 | 2 |
| 2022 | 15 | 876,02 | 58,40 | 1 |
| 2023 | 15 | 365,09 | 24,34 | 1 |
| 2024 | 15 | 336,99 | 22,47 | 1 |
| totale | 701 | 17.661,50 | 25,19 | 24 |