# Years Size Links
DLC 1986–1990 12.5%
GDLP 1986–1990 36.1%
GULP 1975–1997 51.8%
NDC 1991–2015 51.2%
NNP 1985–2015 62.2%
NP 1991–1995 17.4%
PA 1977–1977 48.2%
UL 2001–2003 6.7%