羊Chronology

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5005806607408309001000112015401620172018001900 520–579590–659670–739750–829840–899910–9991010–11191160–15391550–16191670–1719

1

1

1

1

1

2

1

1

4

1

1

5

1

14 +8

19 +13

1

12 +6

1

5

2

7 +1

2

31 +25

6

8 +2

1

1

No year recorded 37

+31

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 ↗