| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 365 | 5.796,67 | 15,88 | 2 |
| 2007 | 252 | 4.691,39 | 18,62 | 1 |
| 2008 | 217 | 3.891,56 | 17,93 | 1 |
| 2009 | 289 | 4.690,27 | 16,23 | 2 |
| 2010 | 230 | 3.055,35 | 13,28 | 2 |
| 2011 | 197 | 2.723,24 | 13,82 | 1 |
| 2012 | 180 | 2.712,68 | 15,07 | 2 |
| 2013 | 161 | 2.428,35 | 15,08 | 2 |
| 2014 | 156 | 2.658,69 | 17,04 | 2 |
| 2015 | 147 | 2.793,73 | 19,00 | 2 |
| 2016 | 207 | 3.505,78 | 16,94 | 3 |
| 2017 | 12 | 406,59 | 33,88 | 1 |
| 2018 | 4 | 47,23 | 11,81 | 1 |
| 2019 | 44 | 927,03 | 21,07 | 2 |
| 2020 | 169 | 4.210,16 | 24,91 | 3 |
| 2021 | 168 | 4.844,65 | 28,84 | 3 |
| 2022 | 238 | 5.621,22 | 23,62 | 3 |
| 2023 | 215 | 4.810,19 | 22,37 | 4 |
| 2024 | 237 | 4.489,21 | 18,94 | 5 |
| totale | 3.488 | 64.303,99 | 18,44 | 42 |