The second part of the history. 21 dances from 2007 to 2012. Sorry for the bad quality.
You can watch the first part (2002-2006) here: http://dai.ly/w47R5m
No copyright infringement (I think). The segments are from British Eurosport, Sports 2 (Russia), Teledeporte, CCTV, NHK, ETV, STV, COI and Vancouver Olympics.