The data displays the answers to a survey question asked to respondents aged 18-21 years old in the Netherlands (named "Digiteens" by the source) on whether they watched online television, online video or online movies on their smartphone. As of 2018, roughly 59% of the respondents indicated they did so.
As of 2017, the number of paid VoD subscriptions for Netflix far exceeded the number of subscriptions with other providers. In 2017, roughly 2.4 million households in the Netherlands had paid Netflix video on demand subscriptions, whereas the number of subscriptions with the other providers considered was below 500,000.
