No explanation in Wiki yet.

(?)

Total Quadrants
Country	#played	#total	/
Germany	115996	58788	1.97
Sweden	13456	7949	1.69
United States of America	7439	6972	1.07
Austria	8345	5310	1.57
United Kingdom	4453	3687	1.21
Poland	4662	3496	1.33
Czechia	4384	3259	1.35
The Netherlands	2912	2366	1.23
Australia	2191	2126	1.03
Italy	2638	2086	1.26
France	2374	1967	1.21
Belgium	1328	1039	1.28
Spain	1084	872	1.24
Croatia	794	753	1.05
New Zealand	630	630	1.00
Ukraine	777	617	1.26
Belarus	395	390	1.01
Switzerland	513	388	1.32
Malaysia	325	325	1.00
Denmark	324	264	1.23
India	256	256	1.00
Slovakia	302	213	1.42
Japan	183	173	1.06
Estonia	277	171	1.62
Hungary	182	167	1.09
Norway	243	149	1.63
Greece	144	138	1.04
Lithuania	185	137	1.35
Latvia	185	121	1.53
Russian Federation	121	118	1.03
Finland	103	96	1.07
Iceland	168	79	2.13
Luxembourg	95	72	1.32
Canada	69	69	1.00
Malta	74	69	1.07
Thailand	64	64	1.00
Portugal	106	54	1.96
Nirvana	50	50	1.00
Slovenia	54	50	1.08
Romania	55	50	1.10
Chile	49	49	1.00
Turkey	53	49	1.08
Singapore	43	43	1.00
Georgia	41	41	1.00
Cyprus	40	40	1.00
Bulgaria	32	32	1.00
Ireland	30	30	1.00
Lebanon	24	24	1.00
Gibraltar	35	17	2.06
Rwanda	11	11	1.00