Dec  Dec                            Delta
2011 2010  Language       Rating   Dec 2010
 1    1    Java           17.561%   -0.44%
 2    2    C              17.057%   +0.98%
 3    3    C++             8.252%   -0.76%
 4    5    C#              8.205%   +1.52%
 5    8    Objective-C     6.805%   +3.56%
 6    4    PHP             6.001%   -1.51%
 7    7    (Visual) Basic  4.757%   -0.36%
 8    6    Python          3.492%   -2.99%
 9    9    Perl            2.472%   +0.14%
10   12    JavaScript      2.199%   +0.69%
11   11    Ruby            1.494%   -0.29%