01","1991-07-01","1991-08-01","1991-09-01","1991-10-01","1991-11-01","1991-12-01","1992-01-01","1992-02-01","1992-03-01","1992-04-01","1992-05-01","1992-06-01","1992-07-01","1992-08-01","1992-09-01","1992-10-01","1992-11-01","1992-12-01","1993-01-01","1993-02-01","1993-03-01","1993-04-01","1993-05-01","1993-06-01","1993-07-01","1993-08-01","1993-09-01","1993-10-01","1993-11-01","1993-12-01","1994-01-01","1994-02-01","1994-03-01","1994-04-01","1994-05-01","1994-06-01","1994-07-01","1994-08-01","1994-09-01","