Link to Series in Level 1 Subscription Site
Link to Series in Level 2 Subscription Site
Link to Series in Level 0 Subscription Site
 1997 01  487089·40
 1996 04 246993·30
 1996 03 536928.10
 1996 02 236892·10
 1996 01 516813.80
 1995 04  516780.20
 1995 03  446776·40
 1995 02  766713·50
 1995 01  776701.00
 1994 04 336693·90
 1994 03 926644.90
 1994 02 836587.60
 1994 01 756508.50
 1993 04  526469·10
 1993 03  106393.40
 1993 02  896356·50
 1993 01  226326·40
 1992 04 136327·30
 1992 03 366260.90
 1992 02 636214.20
 1992 01 186175.30
 1991 04  496104·40
 1991 03  336089.30
 1991 02  06074.10
 1991 01  886047.90
 1990 04 166081·00
 1990 03 886145.20
 1990 02 186174.40
 1990 01 826154·10
 1989 04  966093.00
 1989 03  156086.20
 1989 02  626053.40
 1989 01  776008·70
 1988 04 965950·70
 1988 03 525876.50
 1988 02 05841.70
 1988 01 715782·90

 1987 04  475749·40
 1987 03  615666.00
 1987 02  285616.80
 1987 01  925561.40
 1986 04 65527.00
 1986 03 305497.60
 1986 02 635469.60
 1986 01 885465·40
 1985 04  545398·90
 1985 03  735367·00
 1985 02  515290·80
 1985 01  365261·30
 1984 04 985202.70
 1984 03 275167·00
 1984 02 605129·80
 1984 01 365053.40
 1983 04  704943·60
 1983 03  544855.50
 1983 02  844771·30
 1983 01  134669.80
 1982 04 274622·80
 1982 03 434615·30
 1982 02 434637·40
 1982 01 184618.90
 1981 04  494698·60
 1981 03  84758·40
 1981 02  814701.30
 1981 01  264741.30
 1980 04 454651·10
 1980 03 844559·60
 1980 02 674562.60
 1980 01 384674.30
 1979 04  444651·00
 1979 03  374638·80
 1979 02  944608·60
 1979 01  784597·70
 1978 04 54592·30
 1978 03 524540.50
 1978 02 834501·30
 1978 01 974340·80
 1977 04  84331.00
 1977 03  444336.30
 1977 02  774268.00
 1977 01  714181.80
 1976 04 604128·40
 1976 03 514087.70
 1976 02 464068·90
 1976 01 04039.10
 1975 04  943944·20
 1975 03  343897.00
 1975 02  833825·60
 1975 01  103793.60