1997 – 93 posters submitted by 17 exhibition organizers

1998 – 94 posters submitted by 21 exhibition organizers

1999 – 57 posters submitted by 18 exhibition organizers

2000 – 112 posters submitted by 30 exhibition organizers

2001 – 60 posters submitted by 20 exhibition organizers

2002 – 85 posters submitted by 28 exhibition organizers

2003 – 81 posters submitted by 27 exhibition organizers

2004 – 120 posters submitted by 34 exhibition organizers

2005 – 174 posters submitted by 41 exhibition organizers

2006 - 165 posters submitted by 40 exhibition organizers

2007 - 104 posters submitted by 32 exhibition organizers 

2008 - 161 posters submitted by 49 exhibition organizers

2009 - 100 posters submitted by 32 exhibition organizers

2010 - 136 posters submitted by 26 exhibition organizers

2011 - 101 posters submitted by 25 exhibition organizers