In an economy, the working-age population is 400 million. Of this total, 320.0 million workers are employed. 12.0 million workers are unemployed. 56.0 million workers are not available for work (homemakers, full-time students, etc.). 8.0 million workers are available for work but are discouraged and thus are not seeking work. 4.0 million workers are available for work but are not currently seeking work due to transportation or childcare problems. The labor force participation rate in this economy is %. (Round your answer to one decimal place.)