|
Year |
Incumbents Seeking Re-Election |
Percent Incumbents Running |
Number of Incumbents Lost Primary |
Number of Incumbents Lost in General |
Total Number of Incumbents Defeated |
Percentage of Incumbents Who Lost |
|
1976 |
169 |
83% |
5 |
10 |
15 |
9% |
|
1978 |
183 |
90% |
10 |
13 |
23 |
13% |
|
1980 |
170 |
84% |
12 |
5 |
17 |
10% |
|
1982 |
179 |
88% |
8 |
6 |
14 |
8% |
|
1984 |
187 |
92% |
4 |
0 |
4 |
2% |
|
1986 |
194 |
96% |
2 |
0 |
2 |
1% |
|
1988 |
181 |
89% |
1 |
3 |
4 |
2% |
|
1990 |
189 |
93% |
2 |
15 |
17 |
9% |
|
1992 |
174 |
86% |
4 |
3 |
7 |
4% |
|
1994 |
184 |
91% |
2 |
2 |
4 |
2% |
|
1996 |
190 |
94% |
0 |
2 |
2 |
1% |
|
1998 |
190 |
94% |
2 |
0 |
2 |
1% |
|
2000 |
188 |
92% |
2 |
2 |
4 |
2% |
|
2002 |
186 |
92% |
4 |
3 |
7 |
4% |
|
2004 |
193 |
94% |
1 |
2 |
3 |
1% |
|
2006 |
173 |
85% |
15 |
7 |
22 |
13% |
|
2008 |
179 |
88% |
2 |
4 |
6 |
3% |
|
2010 |
183 |
90% |
- |
- |
- |
- |