Table:
ffrdcs
2010
2012
2013
2015
2017a
change 2010-17
change 2015-17b

total ffrdcs
38
39
40
42
42
4
0

ffrdcs with a postdoc program
22
22
21
24
23
1
-1

all postdocs
3011
2793
2613
2696
2975
-36
279

university-administered ffrdcs
1234
1248
1204
1227
1296
62
69

ames laboratory
47
51
42
44
44
-3
0

argonne national laboratory
300
301
279
304
297
-3
-7

fermi national accelerator laboratory
61
54
55
79
97
36
18

jet propulsion laboratory
107
115
159
165
188
81
23

lawrence berkeley national laboratory
519
516
475
449
438
-81
-11

lincoln laboratory
0
0
0
3
4
4
1

national astronomy and ionosphere center
4
na
na
na
na
na
na

national center for atmospheric research
39
40
37
33
60
21
27

national optical astronomy observatoryc
6
13
11
4
1
-5
-3

national radio astronomy observatory
21
21
21
12
13
-8
1

national solar observatoryc
na
na
na
1
2
na
1

princeton plasma physics laboratory
17
18
15
17
22
5
5

slac national accelerator laboratory
54
44
41
41
46
-8
5

thomas jefferson national accelerator facility
59
75
69
75
84
25
9

nonprofit-administered ffrdcs
719
681
653
698
788
69
90

brookhaven national laboratory
153
181
151
133
116
-37
-17

national renewable energy laboratory
107
70
71
92
102
-5
10

oak ridge national laboratory
245
237
236
230
291
46
61

pacific northwest national laboratory
214
193
195
242
279
65
37

project air force
0
0
0
1
0
0
-1

industry-administered ffrdcs
1058
864
756
771
891
-167
120

frederick national laboratory for cancer researchd
286
25
18
14
22
-264
8

idaho national laboratory
15
10
8
32
34
19
2

lawrence livermore national laboratory
148
191
152
182
228
80
46

los alamos national laboratory
416
439
397
343
379
-37
36

sandia national laboratories
181
189
175
189
221
40
32

savannah river national laboratory
12
10
6
11
7
-5
-4

Statement: the number of ffrdcs with postdoc programs fluctuated was 21 in 2013.
Question: what was the number of ffrdcs with postdoc programs fluctuated in 2013?
Answer: [21.0]