息Chronology

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50058060067074080090097010001100122015401600170018001900 520–579620–669680–739750–799910–9691010–10991160–12191290–1539

1

1

1

1

2

1

3

2

1

2

1

2

3

1

1

3

3

2

1

1

1

4

1

3

2

2

35 +29

7 +1

1

18 +12

1

15 +9

1

3

13 +7

3

3

7 +1

3

28 +22

9 +3

5

3

3

2

12 +6

No year recorded 179

+173

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 ↗