Value | Category |
---|---|
0 | Less than an hour |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | |
14 | |
15 | |
16 | |
17 | |
18 | |
19 | |
20 | |
21 | |
22 | |
23 | |
24 | |
25 | |
26 | |
27 | |
28 | |
29 | |
30 | |
31 | |
32 | |
33 | |
34 | |
35 | |
36 | |
37 | |
38 | |
39 | |
40 | |
41 | |
42 | |
43 | |
44 | |
45 | |
46 | |
48 | |
49 | |
50 | |
52 | |
53 | |
54 | |
55 | |
56 | |
58 | |
59 | |
60 | |
62 | |
63 | |
64 | |
65 | |
66 | |
68 | |
70 | |
Sysmiss |