細Chronology

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500610670700800900100010801100122015401600170018001900 510–609620–669910–9991010–10791160–12191290–1539

1

1

3

1

1

1

2

1

2

1

1

1

2

1

4

2

1

2

7 +1

1

1

1

1

5

1

4

2

2

2

100 +94

19 +13

1

4

7 +1

4

19 +13

30 +24

22 +16

8 +2

1

21 +15

21 +15

38 +32

8 +2

6

9 +3

4

1

No year recorded 450

+444

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 ↗