Year by year...

2014 19

2013 18

2012 17

2011 16

2010 15

2009 14

2008 13

2007 12

2006 11

2005 10

2004 9

2003 8

2002 7

2001 6

2000 5

1999 4

1998 3

1997 2

1996 1

1995 0