InicioGfK THE NETHERLANDS, June 2015. GfK poll 30.6.15 Area: The Netherlands Sample size: 2230 Sampling error: ±2.1% Method: Online Fieldwork date: 26-29 Jun. 2015 Pollster: GfK Client: EenVandaag-AvroTros Source | Parties Etiquetas GfK Netherlands Facebook Twitter