Quelle: Eurobarometer 50.0 - Umfrage Oct-Nov 1998 Eurobarometer 53 - Umfrage April - Mai 2000 Standard Eurobarometer 53 - Abb. 5.4b ###>Source: Eurobarometer 50.0 - Fieldwork Oct - Nov 1998 Eurobarometer 53 - Fieldwork April - May 2000 Standard Eurobarometer 53 - Fig. 5.4b