愛Chronology

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50058060067070080090097010001100120015901600170018001900 520–579620–669750–799910–9691010–10991290–1589

1

2

1

1

3

1

2

3

1

4

3

1

1

1

1

3

1

2

1

2

2

1

1

10 +4

1

6

3

1

10 +4

1

2

13 +7

1

20 +14

5

5

6

5

2

4

1

2

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 ↗