Table:
state
business r&d performed
r&d/gdp
largest r&d industry in location
largest industry's share of location r&d

u.s. totala
238768
1.6
pharmaceuticals and medicines
17

california
64104
3.4
semiconductor and other electronic components
17

washington
13659
3.8
software publishers
56

texas
12920
1
semiconductor and other electronic components
21

massachusetts
12712
3.3
pharmaceuticals and medicines
30

michigan
12156
3.2
automobiles, bodies, trailers, and parts
73

new jersey
11977
2.4
pharmaceuticals and medicines
50

illinois
10764
1.6
pharmaceuticals and medicines
31

new york
9141
0.8
software publishers
21

pennsylvania
9018
1.6
pharmaceuticals and medicines
43

connecticut
6272
2.8
pharmaceuticals and medicines
65

Statement: the largest state in terms of self-funded business r&d performance, california, accounted for 28% of business r&d performance in the united states.
Question: the largest state in terms of self-funded business r&d performance, california, how many percent accounting of business r&d performance in the united states?
Answer: [0.268478]