| 15 sep. 1998 | 1,5:1 -aandelensplitsing |
| 13 dec. 1996 | 1,5:1 -aandelensplitsing |
| 2 okt. 1989 | 1,5:1 -aandelensplitsing |
| 22 mei 1987 | 1,5:1 -aandelensplitsing |
| 25 apr. 1986 | 1,5:1 -aandelensplitsing |
| 1 feb. 1985 | 1,02:1 -aandelensplitsing |
| 27 jan. 1984 | 1,02:1 -aandelensplitsing |
| 27 jan. 1983 | 1,02:1 -aandelensplitsing |
| 28 jan. 1982 | 1,02:1 -aandelensplitsing |
| 29 jan. 1981 | 1,02:1 -aandelensplitsing |
| 31 jan. 1980 | 1,02:1 -aandelensplitsing |
| 29 jan. 1979 | 1,02:1 -aandelensplitsing |
| 27 jan. 1978 | 1,02:1 -aandelensplitsing |
| 28 jan. 1977 | 1,02:1 -aandelensplitsing |
| 27 mei 1976 | 2:1 -aandelensplitsing |
| 30 jan. 1976 | 1,02:1 -aandelensplitsing |
| 31 jan. 1975 | 1,02:1 -aandelensplitsing |
| 4 feb. 1974 | 1,02:1 -aandelensplitsing |
| 29 jan. 1973 | 1,02:1 -aandelensplitsing |
| 26 mei 1972 | 2:1 -aandelensplitsing |
| 6 dec. 1971 | 1,02:1 -aandelensplitsing |
| 4 dec. 1970 | 1,02:1 -aandelensplitsing |
| 4 dec. 1969 | 1,02:1 -aandelensplitsing |
| 12 dec. 1968 | 1,02:1 -aandelensplitsing |