No explanation in Wiki yet.

(?)

Total Quadrants
Country	#played	#total	/
Germany	61998	32253	1.92
United States of America	6537	6079	1.08
Sweden	9707	5585	1.74
Austria	4994	3105	1.61
United Kingdom	2886	2676	1.08
Czechia	3136	2367	1.32
Poland	1732	1312	1.32
The Netherlands	1355	1208	1.12
France	1178	1020	1.15
Spain	933	733	1.27
Australia	662	662	1.00
New Zealand	626	626	1.00
Italy	522	457	1.14
Croatia	365	339	1.08
India	255	255	1.00
Switzerland	329	242	1.36
Slovakia	293	206	1.42
Belgium	269	189	1.42
Japan	183	173	1.06
Lithuania	185	137	1.35
Norway	221	136	1.62
Denmark	125	117	1.07
Greece	105	103	1.02
Malaysia	91	91	1.00
Iceland	168	79	2.13
Finland	81	75	1.08
Canada	69	69	1.00
Thailand	64	64	1.00
Hungary	65	54	1.20
Portugal	106	54	1.96
Romania	55	50	1.10
Chile	49	49	1.00
Turkey	51	47	1.09
Russian Federation	44	43	1.02
Singapore	42	42	1.00
Georgia	41	41	1.00
SBA	36	36	1.00
Ireland	30	30	1.00
Estonia	28	27	1.04
Slovenia	30	27	1.11
Lebanon	24	24	1.00
Malta	19	18	1.06
Luxembourg	17	17	1.00
Gibraltar	35	17	2.06
Ukraine	14	14	1.00
Rwanda	11	11	1.00
Argentina	10	10	1.00
Seychelles	12	10	1.20
Gambia	8	8	1.00
Andorra	7	7	1.00