# Years Size Links
BFD 1990–1990 5.3%
B 1990–1991 2.9%
DA 1989–1990 1.0%
DSU 1990–1990 6.3%
Gru 1989–1991 2.0%
NDPD 1948–1990 10.4%
PDS 1989–1990 16.4%
SDP 1989–1990 21.9%
SED 1946–1989 100.0%