Geophysic through the years

Calibre

898/1: 2014770: 2015, 2017772: 2015

Diameter

41.6 mm: 201539.6 mm: 2015, 201739 mm: 2015, 201738.5 mm: 2014

Thickness

11.84 mm: 201511.8 mm: 2015, 201711.3 mm: 20148 mm: 2015, 2017

Generations

Shaded: new to the line.