Knowledge Structure and Emerging Trends of Mild Cognitive Impairment with Dyssomnias in Recent 20 Years: A Bibliometric Analysis via CiteSpace and VOSviewer

Table 2

The top 10 Countries/territories with the highest number of publications.

Rank	Countries/territories	First year	Record count	Centrality	Citations
1	USA	2003	161	0.07	5138
2	China	2013	100	0.00	1184
3	Italy	2008	75	0.00	2130
4	Canada	2009	55	0.09	2490
5	England	2010	48	0.37	1606
6	Australia	2010	42	0.13	1809
7	Spain	2005	34	0.16	2139
8	South Korea	2011	30	0.00	725
9	Germany	2011	29	0.17	1073
10	France	2004	27	0.05	1473