NEW YORK — The Baltimore Ravens’ victory over the San Francisco 49ers has set a record for highest overnight ratings in Super Bowl history.

The Nielsen company reported the game scored a 48.1 rating and 71 share in its select measurement of big cities. That’s 1 percent over a similar measurement in last year’s game.

For three years in a row, the Super Bowl has set a new record for most-watched event in U.S. television history. Nielsen is expected to have an estimate of how many people watched the game later on Monday.

One ratings point represents 1,147,000 households, or 1 percent of the nation’s estimated 114.7 million TV homes. The share means that 71 percent of TVs that were on at the time were tuned to the Super Bowl.

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