| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 341 | 5.453,08 | 15,99 | 2 |
| 2007 | 67 | 1.923,90 | 28,71 | 1 |
| 2008 | 87 | 2.414,38 | 27,75 | 1 |
| 2009 | 109 | 2.889,55 | 26,51 | 2 |
| 2010 | 175 | 3.355,02 | 19,17 | 2 |
| 2011 | 99 | 2.182,75 | 22,05 | 1 |
| 2012 | 202 | 4.016,11 | 19,88 | 2 |
| 2013 | 180 | 3.167,86 | 17,60 | 2 |
| 2014 | 169 | 3.882,79 | 22,98 | 2 |
| 2015 | 148 | 3.247,59 | 21,94 | 2 |
| 2016 | 294 | 6.198,71 | 21,08 | 3 |
| 2017 | 283 | 5.919,37 | 20,92 | 3 |
| 2018 | 286 | 6.108,21 | 21,36 | 3 |
| 2019 | 315 | 7.150,30 | 22,70 | 3 |
| 2020 | 296 | 6.721,50 | 22,71 | 3 |
| 2021 | 114 | 2.509,22 | 22,01 | 2 |
| 2022 | 107 | 2.564,39 | 23,97 | 3 |
| 2023 | 111 | 2.714,01 | 24,45 | 4 |
| 2024 | 112 | 2.632,84 | 23,51 | 5 |
| totale | 3.495 | 75.051,58 | 21,47 | 46 |