Quarterly
Index (no units)
1963 - 2025
Jan 1, 1963 to Apr 1, 2025
FRED
4 months ago
StaleAug 21, 2025
As of April 1, 2025 • Quarterly data • Source: FRED
This dataset contains 250 quarterly observations, over 62 years, 3 months, updated quarterly from FRED. View Methodology
Data Points
250
Coverage
62 years, 3 months
Updates
quarterly