With sales of over 250 million records worldwide, Rihanna is the second-best-selling female music artist of all time. She has earned 14 number-ones and 32 top-ten singles in the US and 31 top-ten entries in the UK. Her accolades include nine Grammy Awards, 13 American Music Awards (including the Icon Award), 12 Billboard Music Awards, six Guinness World Records, the NAACP's President's Award, and an Academy Award nomination. Time named her one of the 100 most influential people in the world in 2012 and 2018. Forbes ranked her among the top ten highest-paid celebrities in 2012 and 2014. As of 2023, she is the wealthiest female musician, with an estimated net worth of $1.4 billion.
Based on this paragraph about a singer, how many top-ten singles has Rihanna had in the United States?
32