Six other titles have been won this year by the 31-year-old but compatriot Sloane Stephens upset her in the semi-finals of the Australian Open and Sabine Lisicki stunned her in the fourth round of Wimbledon.
"You know I'm not there yet with the way my year has gone," Williams told a small group of reporters on Monday at the Rogers Cup where she is the top seed.
Williams said that she is not satisfied unless she wins every big tournament that she enters, particularly the slams which account for 15 of her 53 career titles - a significant percentage.
This season, however, her form at non-grand slam events has been dazzling, proof that she is as hungry as ever.
From 2005-2010, seven of Williams 12 titles came at the grand slams. Since the start of 2011 only three of her 16 crowns came at the majors.
"It's more or less evening out, but I am okay just winning grand slams," she said. "What makes tennis beautiful is the small tournaments that make you as a player and make you win the grand slams," said the legend.
"I was talking to (my sister) Venus the other day and I said I am never going to stop," she added.


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