Q: This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.
Passage: At the 2010 United States Census, there were 1,585,873 people living in Manhattan, an increase of 3.2% since 2000. Since 2010, Manhattans population was estimated by the Census Bureau to have increased 5.0% to 1,664,727 , representing 19.3% of New York Citys population of 8,622,698 and 8.4% of New York States population of 19,849,399. As of the 2017 Census estimates, the population density of New York County was around 72,918 people per square mile (28,154/km), the highest population density of any county in the United States. In 1910, at the height of European immigration to New York, Manhattans population density reached a peak of 101,548 people per square mile (39,208/km).
Question: Was the population density of New York County higher in 2017 or 1910?
A:
date