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Table 6. 
Number of journals whose relative change in IF (Δfr(c)) due to their highest-cited paper was greater than the threshold in the first column. For example, 3,421 journals had their IF boosted more than 10% by their most cited paper. Publication years = 2015–2016, Citation year = 2017. Data from JCR. Total number of papers in data set is 3,090,630, published in 11,639 journals
Relative volatility, Δfr(c*) (threshold)No. journals above threshold% all journals
10% 3,403 29.2% 
20% 1,218 10.5% 
25% 818 7.0% 
30% 592 5.1% 
40% 387 3.3% 
50% 231 2.0% 
60% 174 1.5% 
70% 140 1.2% 
75% 127 1.1% 
80% 124 1.1% 
90 101 0.9% 
100% 50 0.4% 
200 14 0.12% 
300% 0.04% 
400% 0.01% 
Relative volatility, Δfr(c*) (threshold)No. journals above threshold% all journals
10% 3,403 29.2% 
20% 1,218 10.5% 
25% 818 7.0% 
30% 592 5.1% 
40% 387 3.3% 
50% 231 2.0% 
60% 174 1.5% 
70% 140 1.2% 
75% 127 1.1% 
80% 124 1.1% 
90 101 0.9% 
100% 50 0.4% 
200 14 0.12% 
300% 0.04% 
400% 0.01% 
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