NBC earned a 3.2 rating with a 7 share for the tournament that Kim won with a chip-in birdie at the 18th hole, 68 percent higher than the 1.9 with a 5 share the network got for last's year tournament, won by Meg Mallon.
This year's Open had plenty of story lines to draw viewers, from the play of Wie -- who shot an 11-over 82 in the final round after being tied for the lead heading into Sunday -- to Annika Sorenstam's quest to win her third straight major of the season. She finished nine shots behind Kim, and was over par in a 72-hole event for the first time in four years.
Teenage amateurs Morgan Pressel and Brittany Lang were also impressive, tying for second at 5-over 289, two shots back of Kim.
Overnight ratings measure the 55 largest TV markets in the United States, covering nearly 70 percent of the country. Each overnight rating point represents about 735,000 TV homes.
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