Data from:
Just Mean GN is plotted, as printed in bold in the Table 2
[ICO]NameLast modifiedSizeDescription

[PARENTDIR]Parent Directory  -  
[TXT]2GN.txt2020-04-12 12:37 16Kdata as printed from html and made one-column
[   ]GN.gn2020-04-14 11:31 891 script for pdf in il2
[   ]GN.gnp2020-04-14 11:32 898 script in utf8, this is used for pdf version
[   ]GN.pdf2020-04-14 11:32 17KGraph of yearly Group Number 1610-2015, vector version
[IMG]GN.png2020-04-14 11:55 43K(bitmap as shown below)
[   ]GN.zip2020-04-14 14:50 80K(whole directory together)
[   ]GNpng.gnp2020-04-14 11:54 870 script for png

Pro rok 2020 bude patrně průměrný údaj Group Number (počet skupin skvrn) opět téměř 0.
To lze odhadovat z jiného údaje, totiž počtu skvrn, viz
Údaj Group Number uvedený v grafu je tam dostupný v

Graph in Czech (by Jenik Hollan, CzechGlobe; the texts in scripts are easy to be changed into another languages) from data in:

Svalgaard, L., Schatten, K.H.
Reconstruction of the Sunspot Group Number: The Backbone Method.
Sol Phys 291, 2653.2684 (2016).