1960

1980

2000

2010

NOW

2020

datadatadata

datadatadata

data

datadatadata

datadatadata

data

datadatadata

datadatadata

datadatadatadata

datadatadata

data

data

datadatadatadata

datadatadatadata

datadatadata

data

data

datadata

datadatadata

datadatadatadatadata

datadatadatadata

datadatadata

datadatadatadatadata

datadatadata

datadatadata

datadata

datadatadatadatadatadata

datadatadata

datadatadata

datadatadata

RESOURCE FILECONTENTS

fopen( ‘file.txt’, ‘r+’);