| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 60 | 1.081,15 | 18,02 | 1 |
| 2009 | 13 | 333,10 | 25,62 | 1 |
| 2010 | 23 | 562,51 | 24,46 | 1 |
| 2011 | 95 | 1.515,93 | 15,96 | 1 |
| 2012 | 97 | 2.147,16 | 22,14 | 2 |
| 2013 | 79 | 2.129,28 | 26,95 | 2 |
| 2014 | 102 | 2.168,15 | 21,26 | 2 |
| 2015 | 85 | 1.891,76 | 22,26 | 2 |
| 2016 | 84 | 1.643,51 | 19,57 | 2 |
| 2017 | 104 | 2.015,16 | 19,38 | 2 |
| 2018 | 94 | 1.593,57 | 16,95 | 2 |
| 2019 | 106 | 1.691,19 | 15,95 | 2 |
| 2020 | 97 | 1.615,09 | 16,65 | 2 |
| 2021 | 107 | 1.974,24 | 18,45 | 2 |
| 2022 | 24 | 441,78 | 18,41 | 2 |
| 2023 | 23 | 480,18 | 20,88 | 2 |
| 2024 | 32 | 468,74 | 14,65 | 3 |
| totale | 1.225 | 23.752,50 | 19,39 | 31 |