きのう何食べた？
What Did You Eat Yesterday?
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 11,570 | 3,426 | 1,940 | 56% | 24.77 | ||
 |
きのう何食べた？（１） | 4,152 | 1,780 | 1,142 | 64% | 1,780 | 26.45 |
 |
きのう何食べた？（２） | 3,759 | 1,496 | 922 | 61% | 854 | 24.25 |
 |
きのう何食べた？（３） | 3,659 | 1,640 | 1,051 | 64% | 792 | 23.61 |