Table 1. Country/region contribution to article publication.

Rank	Country/region	Articles	Top 100 articles	Total citations	Average citations
1	China	2,385	23	43,788	18.36
2	USA	1,274	38	55,538	43.59
3	India	755	7	14,826	19.64
4	South Korea	423	9	11,275	26.65
5	Saudi Arabia	386	1	4,772	12.36
6	UK	194	19	14,136	72.87
7	Germany	307	4	7,503	24.44
8	Canada	271	8	8,993	33.18
9	Japan	221	2	4,486	20.30
10	Australia	213	2	5,604	26.30