Table:
world or country
share of world's or country's international articles coauthored with the united states
share of u.s. international articles coauthored with country

world
38.1
-

china
45.2
24.1

united kingdom
28.9
13.4

germany
28.6
11.1

canada
43.4
10.2

france
25
7.3

italy
28.1
6.5

japan
32.7
5.4

australia
28.3
6.4

south korea
45.7
4.7

spain
24.5
4.9

netherlands
30.3
4.7

switzerland
32.4
4.6

brazil
35.9
4

india
30.9
3.5

sweden
28.8
3.3

Statement: authors also had substantial collaboration with authors from the united kingdom.
Question: how many percent did authors have substantial collaboration with authors from the united kingdom?
Answer: [13.4]