| | | | | | | | | | | | | | 1992 | | | | | | | | | | | | | | | 20% | | | 1995 | | | | | | | | | | | | | | | | | | | | | | | | 1. | | | | | 2. | | | | skybiz | | | | | | | | | | 1998 4 21 | | | | | | | | | | | | | | | | | | | | . | | | | | | | | | | | | | | 1. | | 2. | | 3. | | | 4. | | | | | | | |