What type of data is this? (Hint: Cross-sectional, time-series, or panel (longitudinal) data?

1. GDP per capita and unemployment rate from 1960 to 2014 across OECD countries
2. Your Fitbit step count over the last 6 months recorded every day
3. 1,500 Houstonians were interviewed in July 2014 whether they would be willing to raise taxes to preserve Astrodome.