Table:
field
world
united states
eu
china
japan
india

all articles
2290294
431623
638834
395588
103793
106574

agricultural sciences
2.2
1.2
1.9
2.1
1.6
3.1

astronomy
0.6
0.8
0.9
0.2
0.5
0.4

biological sciences
15.8
18.6
15.2
13.9
14.6
18.1

chemistry
8.1
5.4
6.7
12.5
9.5
12.5

computer sciences
8.9
6.5
9.5
9.7
7.9
14.2

engineering
17.1
11.7
14
27.8
17.2
18.4

geosciences
5.6
5.1
5.3
6.9
3.7
4.5

mathematics
2.6
2.1
2.7
2.7
1.8
2

medical sciences
22.1
28
24.1
12.4
27.5
15.9

other life sciences
1.2
2.3
1.2
0.2
0.3
0.2

physics
9
7.5
8.8
10.6
13.6
8.5

psychology
1.7
3.7
2.1
0.2
0.5
0.2

social sciences
5.1
7.2
7.5
0.8
1.2
1.9

Statement: china's research portfolio showed a different pattern than the one for the united states and the world, with a greater focus on chemistry.
Question: china's research portfolio showed a different pattern than the one for the united states and the world, how many percent of a greater focus on chemistry?
Answer: [12.5]