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