| # | Years | Size | Links | |
|---|---|---|---|---|
| CRP | 1982–1985 | 6.7% | ||
| DJP | 1982–1990 | 35.6% | ||
| DKP | 1982–1986 | 21.6% | ||
| DLP | 1991–2008 | 38.5% | ||
| DP | 1993–1996 | 29.2% | ||
| DRP | 1975–1980 | 65.6% | ||
| DUP | 1975–1988 | 19.7% | ||
| GNP | 1998–2012 | 51.2% | ||
| KNP | 1982–1988 | 13.3% | ||
| LFP | 2009–2012 | 6.0% | ||
| MDP | 2000–2008 | 36.0% | ||
| NCNP | 1997–1999 | 25.3% | ||
| NDP | 1975–1980 | 26.5% | ||
| NDRP | 1989–1992 | 15.6% | ||
| NFP | 2013–2015 | 50.7% | ||
| NKDP | 1986–1988 | 29.3% | ||
| NKP | 1996–1997 | 34.5% | ||
| PDP | 1989–1992 | 19.3% | ||
| PFRR | 1979–1980 | 33.3% | ||
| RDP | 1989–1992 | 23.8% | ||
| UDP | 2009–2015 | 42.3% | ||
| ULD | 1997–2004 | 16.2% | ||
| UP | 2005–2008 | 38.3% | ||
| UPP | 1993–2015 | 17.4% |