Table 5.

Corresponding author's countries.

No	Country	Articles	Freq	SCP	MCP	MCP_Ratio
1	USA	303	0.2175	262	41	0.1353
2	China	167	0.1199	147	20	0.1198
3	Japan	89	0.0639	79	10	0.1124
4	Korea	79	0.0567	70	9	0.1139
5	United Kingdom	66	0.0474	48	18	0.2727
6	Turkey	65	0.0467	60	5	0.0769
7	Germany	62	0.0445	49	13	0.2097
8	France	56	0.0402	51	5	0.0893
9	Italy	56	0.0402	48	8	0.1429
10	India	41	0.0294	37	4	0.0976

SCP, Single Country Publications; MCP, Multiple Country Publications.