aus_accommodation is a quarterly `tsibble` containing data on Australian tourist accommodation
from short-term non-residential accommodation with 15 or more rooms, 1998 Q1 - 2016 Q2. The data set
also contains the Australian Consumer Price Index (CPI) for the same period.
Takings are in millions of Australian dollars,
Occupancy is a percentage of rooms occupied,
CPI is an index with value 100 in 2012 Q1.