The table illustrates the monthly expenditures of an average Australian family in 1991 and 2001, measured in Australian dollars.
Overall, it can be observed that the total expenditure increased from 675 AUD in 1991 to 715 AUD in 2001. The most significant increases were seen in the costs of electricity and water, as well as other goods and services, while expenditure on transport and clothing saw a decrease.
To begin with, a notable rise is seen in the cost of electricity and water, which jumped from 75 AUD to 120 AUD. In a similar fashion, the category of other goods and services, which includes non-essential items, rose from 250 AUD to 270 AUD. Conversely, the transport costs dropped significantly from 70 AUD in 1991 to 45 AUD in 2001.
The expenditure on housing showed a marginal increase from 95 AUD to 100 AUD. Similarly, the expenditure on food slightly increased from 155 AUD in 1991 to 160 AUD in 2001. Last but not least, clothing expenses decreased from 30 AUD to 20 AUD over the decade.