OECD Data Filters: REF_AREA: POL MEASURE: B1GQ_Q UNIT_MEASURE: GR ACTIVITY: _T ADJUSTMENT: Y TRANSFORMATION: GY FREQ: Q 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)).