2011
North area – to the end of January – then again in August to the end of December
Central area – February to the end of April
South area – May to the end of July
2012
Central area – January to the end of March – then again December to the end of February 2013
South area – April to the end of June
North area – July to the end of November
2013
Central area - January & February – then again November to the end of January 2014
South area – March to the end of May
North area - June to the end of October
2014
Central area – January – then again October to the end of December
South area – February to the end of April
North area – May to the end of September