for an ambulance, her daughter and a friend performed cardiopulmonary resuscitation (CPR) on her, which they learned from Grey's Anatomy. In 2017, an Israeli woman saved her husband by performing cardiac massage she learned from Grey's Anatomy, The woman performed cardiac massage for 20 minutes before medical personal arrived and transferred the husband to Shaare Zedek Medical Center. The mid-season premiere of the 14th season was entitled "1-800-799-7233", the National Domestic Violence Hotline; upon release on January 18, 2018, the move was received favorably and viewers variously changed their Twitter usernames to the same and used the platform to bring awareness to both the hotline and the issue of domestic abuse. U.S. television ratings Greys Anatomy has received high viewership and ratings since its debut. The first 4 seasons of the program each ranked in the top 10 among all viewers, reaching its peak Nielsen ratings in the second season, attracting an average of 19.44 million viewers per episode, and ranking at No. 5 overall. Following the show's time-slot being relocated, overall rankings steadily declined, dropping below the top 10 in its fifth season. Grey's Anatomy made its greatest fall from its sixth to seventh season, slipping from #16 to No. 31. The series is on a steady decline in terms of overall viewership and rankings, yet Grey's Anatomy still holds value in charts when numbers are pulled from the digital video recorder (DVR). It was the most recorded show between 2007 and 2011, based on cumulative totals, and has been for several years in a row. The most-watched episode of the series is "It's the End of the World", with 37.88 million viewers, aided by a lead-in from Super Bowl XL. Grey's Anatomy was the most expensive program on television in the 2007–08 season measured by advertising revenue, with earnings of US$400,000 per 30 seconds. The show was named the fourth (behind Desperate Housewives, Two and a Half Men, and American Idol), and the fifth-highest (behind Glee, Two and a Half Men, The X Factor and American Idol) revenue-earning show, with the earnings of US$2.67 million and US$2.75 million per half hour in 2011 and 2012 respectively. While Grey's Anatomy is no longer ranked in the top numbers for overall ratings, the show's ranking in the key 18–49 demographic has remained high. As of season 8, the series is the highest-rated drama on television in the target demographic. In