Effective_Number_of_Parties

	A	B	C	D
1	'andhra pradesh'	1977	2.11	1.05
2	'andhra pradesh'	1980	2.38	1.05
3	'andhra pradesh'	1984	2.15	1.87
4	'andhra pradesh'	1989	2.19	1.16
5	'andhra pradesh'	1991	2.52	2.21
6	'andhra pradesh'	1996	2.98	2.36
7	'andhra pradesh'	1998	2.72	2.71
8	'andhra pradesh'	1999	2.26	1.93
9	'andhra pradesh'	2004	2.25	1.97
10	'andhra pradesh'	2009	3.31	1.56
11	'assam'	1977	2.13	1.78
12	'assam'	1985	3.3	2.39
13	'assam'	1991	4.52	2.72
14	'assam'	1996	3.65	3.63
15	'assam'	1998	3.06	1.88
16	'assam'	1999	2.97	1.85
17	'assam'	2004	3.29	2.18
18	'assam'	2009	3.09	2.88
19	'bihar'	1977	2.05	1.08
20	'bihar'	1980	3.2	2.84
21	'bihar'	1984	2.61	1.26
22	'bihar'	1989	2.7	2.58
23	'bihar'	1991	2.92	2.49
24	'bihar'	1996	3.06	3.39
25	'bihar'	1998	2.87	3.57
26	'bihar'	1999	2.55	3.17
27	'bihar'	2004	2.82	2.81
28	'bihar'	2009	3.89	2.82
29	'chhattisgarh'	2009	2.54	1.2
30	'chhattisgarh'	2004	2.8	1.2
31	'gujarat'	1977	2.11	1.9
32	'gujarat'	1980	2.25	1.08
33	'gujarat'	1984	2.23	1.17
34	'gujarat'	1989	2.08	2.47
35	'gujarat'	1991	2.27	1.59
36	'gujarat'	1996	2.43	1.9
37	'gujarat'	1998	2.53	1.65
38	'gujarat'	1999	2.04	1.55
39	'gujarat'	2004	2.3	1.99
40	'gujarat'	2009	2.46	1.95
41	'haryana'	1977	1.78	1
42	'haryana'	1980	3.1	2.38
43	'haryana'	1984	2.38	1
44	'haryana'	1989	2.24	1.92
45	'haryana'	1991	3.77	1.22
46	'haryana'	1996	3.99	3.33
47	'haryana'	1998	3.16	3.57
48	'haryana'	1999	2.15	2
49	'haryana'	2004	3.49	1.22
50	'haryana'	2009	3.28	1.22
51	'JammuKashmir'	1977	2.53	2.57
52	'JammuKashmir'	1980	2.05	3
53	'JammuKashmir'	1984	2.12	2
54	'JammuKashmir'	1989	1.96	2.57
55	'JammuKashmir'	1996	5.01	2
56	'JammuKashmir'	1998	2.73	2.57
57	'JammuKashmir'	1999	3.25	1.8
58	'JammuKashmir'	2004	3	3.6
59	'JammuKashmir'	2009	3.04	2.57
60	'jharkhand'	2004	3.31	3.38
61	'jharkhand'	2009	4.79	2.65
62	'karnataka'	1977	2.05	1.15
63	'karnataka'	1980	2.43	1.07
64	'karnataka'	1984	2.23	1.32
65	'karnataka'	1989	2.79	1.07
66	'karnataka'	1991	2.95	1.44
67	'karnataka'	1996	3.23	2.47
68	'karnataka'	1998	2.78	2.93
69	'karnataka'	1999	2.55	2.05
70	'karnataka'	2004	2.91	2
71	'karnataka'	2009	2.74	1.93
72	'kerala'	1977	2.06	2.74
73	'kerala'	1980	2.09	4.44
74	'kerala'	1984	2.25	2.22
75	'kerala'	1989	2.25	1.94
76	'kerala'	1991	2.25	2.17
77	'kerala'	1996	2.39	4.65
78	'kerala'	1998	2.38	3.64
79	'kerala'	1999	2.38	2.99
80	'kerala'	2004	2.6	2.53
81	'kerala'	2009	2.44	2.11
82	'madhya pradesh'	1977	2.07	1.17
83	'madhya pradesh'	1980	2.79	1.29
84	'madhya pradesh'	1984	2.35	1
85	'madhya pradesh'	1989	2.57	1.98
86	'madhya pradesh'	1991	2.54	1.83
87	'madhya pradesh'	1996	3.23	2
88	'madhya pradesh'	1998	2.62	1.6
89	'madhya pradesh'	1999	2.39	1.66
90	'madhya pradesh'	2004	2.8	1.31
91	'madhya pradesh'	2009	2.73	2.1
92	'maharashtra'	1977	2.07	2.89
93	'maharashtra'	1980	2.4	1.45
94	'maharashtra'	1984	2.49	1.24
95	'maharashtra'	1989	2.56	2.5
96	'maharashtra'	1991	2.65	1.55
97	'maharashtra'	1996	3.06	2.98
98	'maharashtra'	1998	2.24	1.99
99	'maharashtra'	1999	2.82	4.31
100	'maharashtra'	2004	2.53	4.09