将Chronology

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500580600700800900970100010801100120014101540160017701800 510–579750–799910–9691010–10791290–14091420–15391700–1769

1

2

5

1

1

2

1

1

3

3

1

1

1

2

1

4

1

3

7 +1

1

1

2

2

1

1

1

3

1

2

4

11 +5

9 +3

7 +1

6

4

14 +8

16 +10

2

3

1

2

No year recorded 671

+665

Each crop stands at the decade of the first year its book's date gives; a date given only as before a year stands at that year. Dates come from the catalogues and editions cited with each record. The bars draw the whole span and their counts to scale; in the strip below them, fifty years or more with no crop are folded and marked. Japanese dates converted with HuTime ↗