in 2011. The group was named one of South Korea's "super brands" by the Korean Institute for Industrial Policy Studies in 2011, and one of the five South Korean musical acts that best represented K-pop during the past two decades by the Korea Creative Content Agency in 2015. In 2012, Girls' Generation became the first celebrities to have official postage stamps distributed by the Korea Post. In 2017, Billboard ranked Girls' Generation at number one on their "Top 10 K-pop Girl Groups of the Past Decade" list. The group's 2009 single "Gee" was declared "Song of the Decade" by Melon and is regarded as one of the first K-Pop songs to gain international attention, according to Google Statistics. Ian Martin of The Japan Times noted that the group's popularity was still strong even after the Korean Wave appeal had died down in Japan in 2011–12. During 2009–2011, the group generated ₩68.8 billion ($62 million), raking in $20 million in profits and becoming the highest profit earner for their label SM Entertainment. By 2012, Girls' Generation had sold over 30 million digital singles and 4.4 million physical albums, making them one of the best-selling artists in South Korea. Their songs have been widely recognized as the signature songs of K-pop: Pitchfork included "I Got a Boy" and "Gee" in their list of 20 essential K-pop songs, crediting them as the "magnum opus" of modern Korean music. Spin labelled "Run Devil Run" and "Gee" the 11th and 5th greatest K-pop songs of all time, respectively. Billboard placed "I Got a Boy" at number 21 on their list of the 100 Greatest Girl Group Songs, describing it as "proof to why girl-group music is in a league of its own in terms of excitement and boundary pushing". Girls' Generation became the first girl group to achieve four music videos with over 100 million views on YouTube in 2015, with "Gee", "I Got a Boy", "The Boys", and "Mr. Taxi", and the first Asian girl group to amass five such videos with the addition of "Oh!" in 2016. Billboard Boxscore reported that Girls' Generation was the top touring K-pop girl group by 2016. The group won two Digital Daesangs (2009 and 2011) and one Disk Daesang (2010) at the Golden Disk Awards, making them the first girl group to win a Grand Prize three times in a row in the award's history and the