{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"defined_names":4},"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":5,"n_cols":4,"rows_kept":5}
["EUR",80,null,"USD"]
["USD",100]
["GBP",120]
[]
[{"$f":"CURRENCY_SELECTOR","v":100}]