| | Jahr | 1/2ct | 1/1ct | Monat | 1/2 ct (1999) | 1/1 ct (1999) | 1/2 ct (2000) | 1/1 ct (2000) | | 1988 | 220.4 | 228.3 | Januar | 271.8 | 277.0 | 273.9 | 280.7
|
| 1989 | 249.5 | 244.8 | Februar | 272.7 | 277.2 | 273.9 | 281.4
|
| 1990 | 260.5 | 248.2 | März | 273.8 | 277.3 | 273.9 | 282.5
|
| 1991 | 262.2 | 246.0 | April | 273.9 | 277.3 | 273.9 | 282.5
|
| 1992 | 263.0 | 247.2 | Mai | 273.9 | 277.3 | 273.9 | 282.5
|
| 1993 | 264.5 | 249.0 | Juni | 273.9 | 278.9 | 273.9 | 282.5
|
| 1994 | 266.5 | 252.0 | Juli | 273.9 | 278.9 | 273.9 | 282.7
|
| 1995 | 266.3 | 254.2 | August | 273.9 | 278.9 | 273.9 | 282.7
|
| 1996 | 270.9 | 266.6 | September | 273.9 | 280.2 | 273.9 | 282.9
|
| 1997 | 273.6 | 275.9 | Oktober | 273.9 | 280.3 | 273.9 | 285.0
|
| 1998 | 273.7 | 277.8 | November | 273.9 | 280.7 | 273.9 | 285.0 |
| 1999 | 273.6 | 278.7 | Dezember | 273.9 | 280.7 | 273.9 | 286.1 |
|
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