| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 33 |
9.6%
|
| 1 | One hour or less | 1 |
0.3%
|
| 14 | 1 |
0.3%
|
|
| 24 | 4 |
1.2%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 8 |
2.3%
|
|
| 32 | 1 |
0.3%
|
|
| 36 | 4 |
1.2%
|
|
| 40 | 17 |
4.9%
|
|
| 48 | 10 |
2.9%
|
|
| 50 | 4 |
1.2%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 7 |
2%
|
|
| 72 | 6 |
1.7%
|
|
| 80 | 5 |
1.4%
|
|
| 90 | 1 |
0.3%
|
|
| 96 | 9 |
2.6%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 10 |
2.9%
|
|
| 108 | 1 |
0.3%
|
|
| 120 | 11 |
3.2%
|
|
| 144 | 2 |
0.6%
|
|
| 150 | 4 |
1.2%
|
|
| 160 | 8 |
2.3%
|
|
| 164 | 1 |
0.3%
|
|
| 168 | 1 |
0.3%
|
|
| 172 | 1 |
0.3%
|
|
| 176 | 3 |
0.9%
|
|
| 180 | 2 |
0.6%
|
|
| 190 | 1 |
0.3%
|
|
| 192 | 3 |
0.9%
|
|
| 200 | 10 |
2.9%
|
|
| 220 | 1 |
0.3%
|
|
| 240 | 22 |
6.4%
|
|
| 244 | 1 |
0.3%
|
|
| 260 | 2 |
0.6%
|
|
| 268 | 1 |
0.3%
|
|
| 280 | 1 |
0.3%
|
|
| 288 | 5 |
1.4%
|
|
| 296 | 1 |
0.3%
|
|
| 300 | 10 |
2.9%
|
|
| 320 | 4 |
1.2%
|
|
| 360 | 2 |
0.6%
|
|
| 384 | 1 |
0.3%
|
|
| 400 | 13 |
3.8%
|
|
| 420 | 1 |
0.3%
|
|
| 432 | 1 |
0.3%
|
|
| 448 | 1 |
0.3%
|
|
| 480 | 19 |
5.5%
|
|
| 500 | 12 |
3.5%
|
|
| 520 | 2 |
0.6%
|
|
| 580 | 1 |
0.3%
|
|
| 600 | 8 |
2.3%
|
|
| 640 | 2 |
0.6%
|
|
| 650 | 1 |
0.3%
|
|
| 672 | 1 |
0.3%
|
|
| 700 | 5 |
1.4%
|
|
| 750 | 1 |
0.3%
|
|
| 800 | 11 |
3.2%
|
|
| 832 | 1 |
0.3%
|
|
| 850 | 1 |
0.3%
|
|
| 864 | 1 |
0.3%
|
|
| 880 | 2 |
0.6%
|
|
| 900 | 4 |
1.2%
|
|
| 954 | 1 |
0.3%
|
|
| 960 | 6 |
1.7%
|
|
| 1000 | 6 |
1.7%
|
|
| 1040 | 1 |
0.3%
|
|
| 1056 | 1 |
0.3%
|
|
| 1200 | 1 |
0.3%
|
|
| 1320 | 1 |
0.3%
|
|
| 1400 | 1 |
0.3%
|
|
| 1440 | 1 |
0.3%
|
|
| 1500 | 1 |
0.3%
|
|
| 2000 | 7 |
2%
|
|
| 2400 | 1 |
0.3%
|
|
| 3000 | 1 |
0.3%
|
|
| 3600 | 1 |
0.3%
|
|
| 4000 | 1 |
0.3%
|
|
| 5000 | 1 |
0.3%
|
|
| 6000 | 1 |
0.3%
|
|
| 7040 | 1 |
0.3%
|