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BSTLDYR
Date of last blood stool test (unspecified type): Year

Codes and Frequencies



An 'X' indicates the category is available for that sample

19001900··
19011901X·
19021902XX
19031903··
19041904X·
19051905··
19061906··
19071907··
19081908·X
19091909··
19101910··
19111911·X
19121912··
19131913·X
19141914·X
19151915··
19161916··
19171917··
19181918··
19191919··
19201920··
19211921··
19221922·X
19231923··
19241924·X
19251925··
19261926··
19271927··
19281928··
19291929··
19301930··
19311931··
19321932·X
19331933·X
19341934·X
19351935··
19361936··
19371937··
19381938··
19391939··
19401940··
19411941··
19421942··
19431943XX
19441944·X
19451945··
19461946·X
19471947··
19481948··
19491949··
19501950·X
19511951··
19521952··
19531953·X
19541954XX
19551955X·
19561956·X
19571957·X
19581958·X
19591959·X
19601960XX
19611961··
19621962XX
19631963·X
19641964XX
19651965XX
19661966XX
19671967·X
19681968·X
19691969XX
19701970XX
19711971XX
19721972XX
19731973·X
19741974XX
19751975XX
19761976XX
19771977XX
19781978XX
19791979·X
19801980XX
19811981XX
19821982XX
19831983XX
19841984XX
19851985XX
19861986XX
19871987XX
19881988X·
19891989X·
19901990X·
19911991X·
19921992X·
9996NIUXX
9997Unknown - refused··
9998Unknown - not ascertainedX·
9999Unknown - don't knowXX