往Chronology

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46058060070080090096010001100120015401600170018001900 470–579910–9591010–10991290–1539

1

1

5

1

5

1

1

1

1

3

1

1

4

1

2

1

2

1

1

2

2

1

1

2

2

1

2

2

1

1

1

4

2

4

6

3

45 +39

1

1

11 +5

4

14 +8

15 +9

6

18 +12

1

14 +8

17 +11

22 +16

3

4

5

2

7 +1

No year recorded 344

+338

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 ↗