倒Chronology

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5105806006707008009001000108011001220141015901600170018001900 520–579620–669750–799910–9991010–10791160–12191290–14091420–1589

2

2

2

1

1

1

2

1

3

1

1

1

1

1

1

1

1

2

1

1

1

1

2

1

1

7 +1

3

1

17 +11

11 +5

3

7 +1

2

2

2

8 +2

6

2

5

9 +3

8 +2

No year recorded 63

+57

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 ↗