UK Real GDP since 1948 from the Office of National Statistics.
Annual and quarterly data in "data/data.csv" The GDP measure is a chained volume measure and is seasonally adjusted.
Extracted from https://www.ons.gov.uk/economy/grossdomesticproductgdp/timeseries/abmi/qna
Process is recorded and automated in 2 bash scripts:
scripts/download.sh
scripts/extract.sh
This dataset is automatically updates monthly on the datahub.io site: http://datahub.io/core/gdp-uk
Such small amounts of data that believe there are no underlying rights and hence have provided under the Public Domain Dedication License.