1971-01-01 00:00:00+00  0.000159
1973-01-01 00:00:00+00  0.000157
1973-02-01 00:00:00+00  0.000158
1973-03-01 00:00:00+00  0.000157
1973-04-01 00:00:00+00  0.000158
1973-05-01 00:00:00+00  0.000159
1973-06-01 00:00:00+00  0.000158
1973-07-01 00:00:00+00  0.000158
1973-08-01 00:00:00+00  0.000158
1973-09-01 00:00:00+00  0.000157
1973-10-01 00:00:00+00  0.000157
1973-11-01 00:00:00+00  0.000157
1973-12-01 00:00:00+00  0.000157
1974-01-01 00:00:00+00  0.000157
1974-02-01 00:00:00+00  0.000157
1974-03-01 00:00:00+00  0.000157
1974-04-01 00:00:00+00  0.000158
1974-05-01 00:00:00+00  0.000158
1974-06-01 00:00:00+00  0.000159
1974-07-01 00:00:00+00  0.000159
1974-08-01 00:00:00+00  0.000159
1974-09-01 00:00:00+00  0.000159
1974-10-01 00:00:00+00  0.000159
1974-11-01 00:00:00+00  0.000158
1974-12-01 00:00:00+00  0.000158
1975-01-01 00:00:00+00  0.000158
1975-02-01 00:00:00+00  0.000158
1975-03-01 00:00:00+00  0.000158
1975-04-01 00:00:00+00  0.000158
1975-05-01 00:00:00+00  0.000158
1975-06-01 00:00:00+00  0.000159
1975-07-01 00:00:00+00  0.000158
1975-08-01 00:00:00+00  0.000158
1975-09-01 00:00:00+00  0.000159
1975-10-01 00:00:00+00  0.000158
1975-11-01 00:00:00+00  0.000158
1975-12-01 00:00:00+00  0.000158
1976-01-01 00:00:00+00  0.000032
1976-02-01 00:00:00+00  0.000157
1976-03-01 00:00:00+00  0.000157
1976-04-01 00:00:00+00  0.000158
1976-05-01 00:00:00+00  0.000157
1976-06-01 00:00:00+00  0.000157
1976-07-01 00:00:00+00  0.000040
1976-08-01 00:00:00+00  0.000040
1976-09-01 00:00:00+00  0.000040
1976-10-01 00:00:00+00  0.000040
1976-11-01 00:00:00+00  0.000040
1976-12-01 00:00:00+00  0.000040
1977-01-01 00:00:00+00  0.000040
1977-02-01 00:00:00+00  0.000040
1977-03-01 00:00:00+00  0.000040
1977-04-01 00:00:00+00  0.000040
1977-05-01 00:00:00+00  0.000040
1977-06-01 00:00:00+00  0.000040
2009-01-01 00:00:00+00  0.000032