椒Chronology

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61090097011201540164017001800 620–899910–969980–11191160–15391550–1639

1

1

1

2

1

1

1

22 +16

1

5

1

9 +3

6

14 +8

13 +7

8 +2

2

4

10 +4

7 +1

19 +13

1

No year recorded 50

+44

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 ↗