The song was officially sent to contemporary hit and rhythmic contemporary radio on September 28, 1998. On November 21, 1998, "...Baby One More Time" debuted on the Billboard Hot 100 at number 17 and topped the chart two and a half months later for two consecutive weeks, replacing R&B-singer Brandy's "Have You Ever?". Simultaneously, it climbed to number-one on the Canadian Singles Chart. The song reached the top spot of the Hot 100 Singles Sales and stayed there for four consecutive weeks. This eventually propelled the single to a Platinum certification by the Recording Industry Association of America. Though not as strong as its sales tallies, "...Baby One More Time" also experienced considerable airplay, becoming her first top ten hit on the Hot 100 Airplay, peaking at number eight. The single also became an all-around hit on Top 40 radio, going top ten on both the Top 40 Tracks and Rhythmic Top 40, and to number one for five weeks on the Mainstream Top 40. It spent 32 weeks on the Hot 100 and ended up at number five on Billboard magazine's year-end chart. As of June 2012, "...Baby One More Time" has sold 1,412,000 physical singles, with 511,000 paid digital downloads in the United States. It is Spears's best-selling physical single in the country. "...Baby One More Time" debuted at number 20 on the Australian Singles Chart, a month later reached number one and stayed there for nine consecutive weeks. The song eventually became the second highest-selling single of the year, only behind Lou Bega's "Mambo #5", and was certified three-times Platinum by the Australian Recording Industry Association for selling over 210,000 copies. In New Zealand, the single spent four non-consecutive weeks at the top of the charts and after shipping over 15,000 units to retailers the Recording Industry Association of New Zealand certified it Platinum.