| cholesterol level | 18.50 | How to keep cholesterol levels down. | ||
| income level | 15.40 | Income levels rose, as did prices. | ||
| price level | 12.97 | Find the average price level. | ||
| grade level | 11.78 | Grade level ........ | ||
| skill level | 10.93 | I love his skill level. | ||
| comfort level | 9.87 | High comfort level. | ||
| production level | 9.61 | He expects production levels will rise soon. | ||
| pollution level | 9.41 | Air pollution level improves. | ||
| blood level | 9.28 | These devices continuously measure blood glucose levels. | ||
| radiation level | 9.15 | Radiation levels remained normal. | ||
| noise level | 8.62 | Noise level. | ||
| debt level | 8.36 | Debt levels have declined. | ||
| inventory level | 8.10 | It optimizes inventory levels. | ||
| college level | 6.98 | She plans to teach at the college level. | ||
| stress level | 6.65 | The stress level was high. | ||
| ozone level | 6.32 | Who measures the ozone level? | ||
| year level | 6.19 | Akashi reaches that level this year. | ||
| testosterone level | 6.12 | His testosterone level promptly rose. | ||
| eye level | 6.06 | Measure at eye level. | ||
| oxygen level | 5.66 | A fifth, his oxygen level. |