# Years Size Links
ACT 1997–2015 7.1%
Alliance 1994–2002 18.2%
Green 2000–2015 11.1%
LP 1975–2015 48.0%
NLP 1991–1993 5.2%
NP 1975–2015 47.8%
NZDP 1985–1990 7.6%
NZF 1994–2015 13.4%
SC 1979–1984 20.6%