Year NDay Positions each day
1995   4   56  56  56  56  56
1996   4  999 999 999 999 999
1997   4  999 999 999 999 999
1998   4  999 999 999 999 999
1999   4  999 999 999 999 999
2000   4   60  60  60  61  61
2001   4  999 999 999 999 999
2002   4  999 999 999 999 999
2003   4  999 999 999 999 999
2004   4   73  70  69  68  67
2005   4   64  63  62  62  62
2006   4   59  58  55  55  55
2007   4   52  52  52  52  53
2008   4   54  55  56  57  58
2009   4  999 999 999 999 999
2010   4  999 999 999 999 999
2011   4   71  72  73  73  73
2012   4   67  65  66  65  66
2013   4   65  64  64  63  62
2014   4   58  57  56  56  57
2015   4   56  57  58  59  60
2016   4   59  60  61  62  62