1970 Jan .

2004 Nov . Dec .

2005 Jan . Feb . Mar . Apr . May . Jun . Sep . Oct . Nov . Dec .

2006 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Oct . Nov . Dec .

2007 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2008 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2009 Jan . Feb . Mar . Apr . May . Jun . Sep . Oct . Nov . Dec .

2010 Jan . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2011 Jan . Mar . Apr . May . Jun . Aug . Sep . Oct . Nov . Dec .

2012 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2013 Jan . Mar . Apr . May . Jun . Aug . Sep . Oct . Nov . Dec .

2014 Jan . Feb . Mar . Apr . May . Jun . Aug . Sep . Oct . Nov . Dec .

2015 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2016 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug . Sep . Oct . Nov . Dec .

2017 Jan . Feb . Mar . Apr . May . Jun . Jul . Aug .