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: experimental development activities accounted for $322.1 billion in 2016.
Question: how many billion dollars did experimental development activities account for in 2016?
Answer: [322.1]