| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 210 | 4.263,28 | 20,30 | 1 |
| 2007 | 29 | 1.056,46 | 36,43 | 1 |
| 2008 | 35 | 1.539,28 | 43,98 | 1 |
| 2009 | 80 | 2.991,54 | 37,39 | 2 |
| 2010 | 90 | 2.282,00 | 25,36 | 2 |
| 2011 | 84 | 1.986,05 | 23,64 | 1 |
| 2012 | 130 | 3.005,18 | 23,12 | 2 |
| 2013 | 99 | 2.208,35 | 22,31 | 2 |
| 2014 | 100 | 2.794,44 | 27,94 | 2 |
| 2015 | 96 | 2.907,66 | 30,29 | 2 |
| 2016 | 98 | 3.066,04 | 31,29 | 2 |
| 2017 | 86 | 3.025,86 | 35,18 | 2 |
| 2018 | 78 | 2.626,15 | 33,67 | 2 |
| 2019 | 76 | 2.453,08 | 32,28 | 2 |
| 2020 | 59 | 2.256,60 | 38,25 | 2 |
| 2021 | 127 | 4.625,49 | 36,42 | 3 |
| 2022 | 151 | 5.722,70 | 37,90 | 3 |
| 2023 | 261 | 7.840,54 | 30,04 | 4 |
| 2024 | 435 | 10.586,14 | 24,34 | 4 |
| totale | 2.324 | 67.236,84 | 28,93 | 40 |