Ist-Daten
| Datum | Wert | Ändern , % |
|---|---|---|
| 2020 | 1.572,75 | -21,83 % |
| 2015 | 2.011,86 | -28,35 % |
| 2010 | 2.808,04 | -32,14 % |
| 2005 | 4.138,11 | -22,07 % |
| 2000 | 5.310,21 | -28,72 % |
| 1995 | 7.449,94 | -19,40 % |
| 1990 | 9.242,88 | 10,45 % |
| 1985 | 8.368,33 | -22,05 % |
| 1980 | 10.735,39 | -36,78 % |
| 1975 | 16.981,96 | -31,94 % |
| 1970 | 24.951,05 | -28,81 % |
| 1965 | 35.050,53 |