Holdings
1984,2 - 1997,85; 1998,86-88+90-91; 1999,92-93+97; 2000,98+101-103; 2001,104+106-108; 2002,112+115; 2003,116-117+119-120; 2004,123-124+126; 2005,129-131+133; 2006,134+136-137; 2007 - 2008; 2009,156-157; 2010,158-160+163; 2011 - 2012; 2013,176-180; 2014,182-