The 35 year's History of Electronics Companies' Financial Statements
Source: Japan Company Handbook (Toyokeizai),
Nkkei Kaisya Jyoho (Nikkei),
U.S. Securities and Exchange Commission,
Consolidated Financial Results,
Annual Securities report,
Yahoo!Finance,
GuruFocus.com,
Xignite.com,
Ycharts.com,
Wikinvest.com,
4-traders.com,
etc.
Reference: Draggable scatterplot with motion trails
, Nikkei Computer (30th Aug. 2012)