Table:
type of work
2000
2010
2012
2013
2014
2015
2016a
2017b

current $billions

all r&d
267.9
406.6
433.6
454
475.4
493.7
515.3
542.2

basic research
42
75.9
73.3
78.5
82.1
83.5
88.6
92.2

applied research
56.5
79.3
87.1
88.3
91.9
97.3
104.6
110.4

experimental development
169.4
251.4
273.3
287.1
301.5
312.9
322.1
339.6

constant 2012 $billions

all r&d
343.2
423
433.6
446.1
458.5
471.1
486.4
502.3

basic research
53.8
79
73.3
77.1
79.1
79.6
83.6
85.4

applied research
72.4
82.5
87.1
86.8
88.6
92.9
98.8
102.2

experimental development
217
261.6
273.3
282.2
290.8
298.6
304.1
314.6

percent distribution

all r&d
100
100
100
100
100
100
100
100

basic research
15.7
18.7
16.9
17.3
17.3
16.9
17.2
17

applied research
21.1
19.5
20.1
19.5
19.3
19.7
20.3
20.4

experimental development
63.2
61.8
63
63.3
63.4
63.4
62.5
62.6

Statement: basic research activities accounted for 17% of total u.s. r&d expenditures.
Question: how many percentage points of total u.s. r&d expenditures did basic research activities account for?
Answer: [0.171939]