InicioGfK THE NETHERLANDS, July 2015. GfK poll 28.7.15 Area: The Netherlands Sample size: 2514 Sampling error: ±2% Method: Online Fieldwork date: 24-27 Jul. 2015 Pollster: GfK Client: EenVandaag-AvroTros Source | Parties Etiquetas GfK Netherlands Facebook Twitter