Holdings
1971,7-33,36-52 - 2001; 2002,1/2,3-51/52; 2003,1/2,3-53; 2004,1/2,3-52/53; 2005,1/2,3-51/52; 2006,1/2,3-51/52; 2007,1/2,3-51/52; 2008,1/2,3-51/52; 2009; 2010,1-17,30/31,48-50; 2011,3,5/6-7/8,10/11-12,15-22/23,27-43,46/47-51/52; 2012,4,13,16/17,20/21-22-24,27/28-29-31,44/45,48-51/52; 2013; 2014,13/14,18/19-20/21,28-30,35-37-43-45,50-51-52; 2015,1-3,6-7-9,10-11-12,13-14-15,28-30,33-34,38-39,40-41-42,43-45,46,49-50-51,52; 2016,1-2,3-4,5-7,8-10-11,12-13,14-15,20-22,26-27,30-32,33-34,35-36,46-47,48-49-50,51; 2017,1-3,5-7,8-9-10,11-12,14-15,16-17,27-29,30-31,32-33,34-36,37,40-41,46-47,48-49-50; 2018,9,12,15/16,24-27,36-37,40-41-48; 2019