Monthly sales of new one-family houses sold in the USA since 1973.
Source
Makridakis, Wheelwright and Hyndman (1998) Forecasting:
methods and applications, John Wiley & Sons: New York. Chapter 3.
References
US Census Bureau, Manufacturing and Construction Division
Examples
plot(hsales)
plot(stl(hsales,"periodic"),main="Sales of new one-family houses, USA")