year	quarter	approval
1969	3	47.412
1969	4	49.736
1970	1	48.874
1970	2	47.314
1970	3	43.208
1970	4	41.993
1971	1	41.344
1971	2	41.046
1971	3	41.003
1971	4	41.204
1972	1	41.124
1972	2	41.071
1972	3	41.024
1972	4	41.27
1973	1	41.733
1973	2	40.771
1973	3	39.571
1973	4	39.176
1974	1	38.399
1974	2	37.505
1974	3	38.66
1974	4	37.117
1975	1	36.711
1975	2	36.351
1975	3	35.375
1975	4	34.147
1976	1	33.555
1976	2	33.293
1976	3	34.915
1976	4	35.353
1977	1	36.142
1977	2	36.61
1977	3	36.389
1977	4	36.067
1978	1	35.426
1978	2	35.444
1978	3	35.587
1978	4	37.392
1979	1	37.453
1979	2	34.337
1979	3	39.051
1979	4	34.54
1980	1	35.154
1980	2	34.735
1980	3	36.416
1980	4	38.437
1981	1	40.611
1981	2	39.352
1981	3	39.185
1981	4	38.288
1982	1	37.122
1982	2	36.033
1982	3	36.364
1982	4	36.293
1983	1	35.679
1983	2	36.871
1983	3	38.659
1983	4	39.832
1984	1	40.559
1984	2	41.51
1984	3	41.317
1984	4	42.109
1985	1	43.327
1985	2	44.069
1985	3	44.315
1985	4	41.428
1986	1	40.681
1986	2	41.401
1986	3	42.495
1986	4	41.679
1987	1	40.287
1987	2	42.833
1987	3	40.952
1987	4	40.9
1988	1	40.957
1988	2	40.47
1988	3	40.778
1988	4	41.614
1989	1	42.225
1989	2	40.339
1989	3	39.655
1989	4	37.393
1990	1	38.209
1990	2	38.572
1990	3	38.169
1990	4	36.627
1991	1	39.262
1991	2	39.041
1991	3	35.735
1991	4	34.732
1992	1	32.178
1992	2	31.253
1992	3	31.747
1992	4	32.702
1993	1	32.961
1993	2	32.999
1993	3	32.73
1993	4	32.569
1994	1	32.75
1994	2	31.486
1994	3	32.76
1994	4	32.303
1995	1	34.654
1995	2	35.04
1995	3	34.763
1995	4	34.45
1996	1	34.767
1996	2	35.146
1996	3	36.303
1996	4	36.735
1997	1	37.397
1997	2	37.202
1997	3	38.089
1997	4	38.637
1998	1	40.089
1998	2	40.484
1998	3	41.636
1998	4	40.769
1999	1	39.932
1999	2	40.179
1999	3	39.775
1999	4	39.712
2000	1	40.31
2000	2	40.261
2000	3	41.844
2000	4	43.171
2001	1	43.014
2001	2	43.488
2001	3	45.253
2001	4	47.383
2002	1	45.172
2002	2	44.222
2002	3	43.64
2002	4	42.405
2003	1	41.498
2003	2	40.773
2003	3	39.777
2003	4	39.83
2004	1	39.789
2004	2	39.651
2004	3	39.193
2004	4	39.048
2005	1	39.042
2005	2	38.492
2005	3	38.375
2005	4	38.309