{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Arkusz1"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Arkusz1","index":0,"n_rows":11,"n_cols":8,"rows_kept":11,"flags":["formulas_cached_only"]}
["rok",null,"przyrosty absolutne jednopodstawowe","przyrosty absolutne łańcuchowe","przyrosty względne jednopodstawowe","przyrosty względne łańcuchowe","indeksy indywidualne jednopodstaowe","indeksy indywidualne łańcuchowe"]
[2012]
[2013]
[2014]
[2015]
[2016]
[2017]
[2018]
[2019]
[2020]
[2021]