posted on 2020-02-03, 18:30authored byThomas R. Fanshawe, Margaret Glogowska, George Edwards, Philip J. Turner, Ian Smith, Rosie Steele, Caroline Croxson, Jordan S. T. Bowen, Gail N. Hayward
All errors (upper panel) and user-attributed errors post-February 2017 (lower panel). Each point represents a different location. Locations with fewer than 200 total uses are excluded to reduce the effect of small sample variability.