Cliver & Ling 2016, "error testing" group number: yearly group number info.

GNec_y.txt

Yearly mean group number from the Cliver & Ling (2016) reconstruction.

(-1 values indicate "no data"). Currently, no standard error values are available.

Col 1: Year
Col 2: Group number Gn
Col 3: Standard error Eg. No value provided.
Col 4: Number of days with observations