Countries of Europe gas supply to which was disrupted during Russia-Ukraine gas disputes in 2009. [1] [2] [3]
Red: Severely affected countries
Pink: Partially affected countries
Using the new (as of 25 March 2011) colours introduced by Chipmunkdavis based on a different source to the three offered above, the five colours represent the "% of missing gas supply from 6 to 20 January 2009 (- 300 million m3/day for 14 days)":

Red: &gt;75%
Orange: 50-75%
Pink: 25-50%
Yellow: &lt;25%
Grey: 0% or uninvolved
Own, derivative work, based on a blank map of Europe
Vanuan