1999 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2000 -17 -15 -15 5 15 16 20 15 7 8 6 0
2001 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2002 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2003 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2004 -15 -20 -10 5 10 15 20 21 15 10 5 -1
2005 -11 -14 -5 3 14 20 25 22 17 12 10 0
2006 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2007 -15 -20 -10 3 10 15 20 21 15 10 5 -1
2008 -15 -20 -10 0 10 15 20 25 15 10 5 -1
2009 -20 -17 -14 -2 -3 -2 -1 -2 -4 -3 -7 -10
2010 -15 -20 -10 3 12 20 23 25 17 10 5 -1
2011 -15 -20 -10 0 10 15 20 21 15 10 5 -1
2012 -15 -20 -10 0 10 15 20 21 15 10 5 -1