Less
than 2000 votes
2000
to 5000
5000
to 10000
10000
to 20000
20000
or above
1977
32
40
47
68
56
1980
43
47
66
52
35
1985
23
51
48
63
58
1990
30
37
55
53
68
1995
14
20
37
74
98
2000
26
25
43
69
80
2005 February
31
37
74
55
46
2005 October
40
56
56
64
27
2010
21
27
45
90
60
2015
9
23
41
80
90
2020
23
29
32
76
83