| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 58 | 1.416,29 | 24,42 | 2 |
| 2008 | 3 | 729,36 | 243,12 | 1 |
| 2009 | 13 | 1.092,47 | 84,04 | 3 |
| 2010 | 16 | 928,42 | 58,03 | 3 |
| 2011 | 11 | 852,49 | 77,50 | 2 |
| 2012 | 21 | 1.087,92 | 51,81 | 3 |
| 2013 | 25 | 1.095,12 | 43,80 | 3 |
| 2014 | 29 | 1.719,55 | 59,29 | 3 |
| 2015 | 24 | 1.865,35 | 77,72 | 3 |
| 2016 | 20 | 1.780,36 | 89,02 | 3 |
| 2017 | 24 | 1.309,60 | 54,57 | 3 |
| 2018 | 21 | 1.736,16 | 82,67 | 3 |
| 2019 | 13 | 840,18 | 64,63 | 2 |
| 2020 | 20 | 1.111,01 | 55,55 | 3 |
| 2021 | 24 | 1.303,22 | 54,30 | 3 |
| 2022 | 38 | 1.436,80 | 37,81 | 3 |
| 2023 | 25 | 871,33 | 34,85 | 2 |
| 2024 | 21 | 780,19 | 37,15 | 3 |
| totale | 406 | 21.955,82 | 54,08 | 48 |