| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 1.362,38 | 24,33 | 2 |
| 2007 | 91 | 3.216,12 | 35,34 | 1 |
| 2008 | 128 | 3.867,34 | 30,21 | 1 |
| 2009 | 131 | 4.242,21 | 32,38 | 3 |
| 2010 | 166 | 4.418,29 | 26,62 | 3 |
| 2011 | 106 | 2.006,94 | 18,93 | 2 |
| 2012 | 213 | 4.834,22 | 22,70 | 3 |
| 2013 | 284 | 6.650,09 | 23,42 | 4 |
| 2014 | 271 | 7.311,91 | 26,98 | 3 |
| 2015 | 203 | 5.911,14 | 29,12 | 4 |
| 2016 | 292 | 7.225,27 | 24,74 | 6 |
| 2017 | 345 | 8.496,55 | 24,63 | 6 |
| 2018 | 639 | 14.077,19 | 22,03 | 6 |
| 2019 | 260 | 5.570,95 | 21,43 | 5 |
| 2020 | 397 | 9.304,52 | 23,44 | 6 |
| 2021 | 434 | 9.428,67 | 21,73 | 7 |
| 2022 | 470 | 9.408,84 | 20,02 | 6 |
| 2023 | 337 | 9.017,30 | 26,76 | 5 |
| 2024 | 317 | 8.156,36 | 25,73 | 5 |
| totale | 5.140 | 124.506,29 | 24,22 | 78 |