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Table 1 Multiplexity of journals with respect to topics and areas. We report the percentage of journals that are classified by SCImago in exactly 1, 2,..., etc, topics (areas). Only statistics for the top five are reported, with rapidly decreasing percentage of journals classified in more than five topics (areas)

From: Quantifying the diaspora of knowledge in the last century

# of Topics % of Journals
1 31.6%
2 33.4%
3 19.8%
4 9.2%
5 3.3%
# of Areas % of Journals
1 50.9%
2 36.2%
3 9.8%
4 2.1%
5 0.5%