The given frequency table shows the distribution in mega tonnes (Mt) of carbon dioxide emissions from fossil fuel in Canada over the 30-year period from 1965 to 1994. If the level this year is 492 Mt, how does that compare to the average of the 30-year period?

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Carbon Dioxide Emissions (MtFrequency 250 to less than 300 300 to less than 350 350 to less than 400 400 to less than 450 450 to less than 500 12