The version number in Ubuntu is always a clue. the number before the period, "6", indicates it was released in June. The "06" indicates it was released in 2006. Specifically, Ubuntu 6.06 was released on June 1, 2006.
Ubuntu was first released on the 20th of October, 2004.
October 20, 2004
Ubuntu - 2009 was released on: USA: October 2009
It is a distribution of Ubuntu. Ubuntu 12.04 LTS (Long Term Support) is named Precise Pangolin and was released on 26 April 2012.
Ubuntu - 2012 was released on: USA: 1 May 2012 (Film Outside the Frame Festival)
Ubuntu releases are versioned based on their release date in a generally 6-month cycle.The format is: YY.MM.By this format, Ubuntu 10.04 was released in April 2010.
Ryan's Hope - 1975 1-606 was released on: USA: 7 November 1977
Santa Barbara - 1984 1-606 was released on: USA: 16 December 1986
Days of Our Lives - 1965 1-606 was released on: USA: 29 March 1968
Sunset Beach - 1997 1-606 was released on: USA: 2 June 1999
606
30% of 606= 30% * 606= 0.3 * 606= 181.8