1994=46,29a; 1995=47,29a; 1996=48,47a; 1997=49,51a; 1998=50,35a; 1999=51,43a; 2000=52,64a; 2001=53,72a; 2002=54,63a; 2003=55,51a; 2004=56,47a; 2005=57,41a; 2006=58,37a; 2007=59,54a; 2008=60,42a; 2009=61,44a; 2010=62,29a; 2011=63,21a; 2012=64,31a von: Deutschland: [Bundesanzeiger / Beilage] (ISSN: 0720-6100)