Final answer:
The graph does not provide specific figures for health care spending per household in 1997 or 2013. The options suggest around $4,000 in 1997 and around $9,000 in 2013. The graph does not indicate the future trend of healthcare costs.
Step-by-step explanation:
The graph does not provide specific figures for the amount spent on health care per household in 1997 or 2013. However, based on the given options, the answer to the first question would be approximately $4,000 and the answer to the second question would be approximately $9,000 per household. As for the third question, the graph does not provide a clear indication of whether healthcare costs will continue to increase in the future.