2009
4 - 8 February
5 - 9 August
2010
10 - 14 February
11 - 15 August
2011
9 - 13 February
10 - 14 August
2012
8 - 12 February
8 - 12 August
2013
6 - 10 February
7 - 11 August
2014
5 - 9 February
6 - 10 August
2015
4 - 8 February
5 - 9 August
