The Bavarian Top 20 is supplied since end 1981 till July, and the German Top 20 since January 1960 until August 1977. The DMC Dance Top 20 is only there since January 1995 and the German Dance Top 20 since February 1995. There are gaps in both Dance charts, because I've problems getting them. The MTV European Top 20 is supplied since December 1991.