田Chronology

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50058060070080090010001100120015401600170018001900 520–579620–699750–799840–899910–9991010–10991290–1539

1

2

1

1

1

1

1

2

1

2

1

2

2

1

2

1

1

1

1

1

1

1

12 +6

1

7 +1

5

5

2

78 +72

13 +7

1

5

1

1

25 +19

11 +5

19 +13

39 +33

43 +37

14 +8

52 +46

4

10 +4

1

22 +16

22 +16

15 +9

64 +58

116 +110

20 +14

89 +83

16 +10

No year recorded 1,091

+1,085

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 ↗