OECD Data Filters: REF_AREA: GBR MEASURE: RS UNIT_MEASURE: IX ACTIVITY: _Z ADJUSTMENT: RT TRANSFORMATION: IX TIME_HORIZ: _Z METHODOLOGY: H FREQ: M All OECD data should be cited as follows: OECD (year), (dataset name), (data source) DOI or https://data-explorer.oecd.org/ (https://data-explorer.oecd.org/). (accessed on (date)).