Abstract released tracks per year 0 0 0 0 0 4 3 0 0 0 0 0 2 0 0 0 0 0 0 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
