Quarterly
Index (no units)
1959 - 2025
Jul 1, 1959 to Oct 1, 2025
FRED
1 months ago
StaleMar 30, 2026
As of October 1, 2025 • Quarterly data • Source: FRED
This dataset contains 266 quarterly observations, over 66 years, 3 months, updated quarterly from FRED. View Methodology
Data Points
266
Coverage
66 years, 3 months
Updates
quarterly