Cancer and Nuclear tests?

Did as many people die from cancer before the 1440 nuclear tests since the 1940's, or has it increased since the 40's?
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Statistically the cancer incidence overall has been declining.

Declining Cancer Rates in the 1990s
http://www.jco.org/cgi/content/full/18/1...

The Fifty-Year Decline of Cancer in America
http://www.jco.org/cgi/content/full/19/1...

Annual Report Shows Overall Decline in U.S. Cancer Incidence and Death Rates; Feature Focuses on Cancers with Recent Increasing Trends
http://www.cancer.gov/newscenter/reportn...