Question: In what year was the most expensive Korean movie in history released?

Context articles: The Phone (film)
Korean Movie Database
Athena: Goddess of War
Utkarsha
Casanova Wong
James Bond (2015 film)
Obaltan
Vishnuvardhana (film)
D-War
Shim Hyung-rae

The Phone (Korean: 더 폰) is a 2015 South Korean fantasy thriller film directed by Kim Bong-ju.
 The film is the directorial debut of the director.
 It was released on October 22, 2015.
 This movie is not to be confused with another South Korean movie of similar title but released in 2002 or with the American TV series and the Dutch TV reality show both of which have the same title as this movie.
The Korean Movie Database (KMDb) is a South Korean online database of information related to Korean movies, animation, actors, television shows, production crew personnel and other film-related information.
 KMDb launched on February 2006 by Korean Film Archive.
 While it was modeled after the American online commercial film archive, Internet Movie Database, the site is a public site.
Athena: Goddess of War () is a South Korean espionage television drama series broadcast by SBS in 2010 and a spin-off of 2009's "Iris".
 Budgeted at ₩20 billion (US$17 million) like its predecessor, the two series are among the most expensive Korean dramas ever produced.
Utkarsha (Kannada: ಉತ್ಕರ್ಷ ) is a 1990 Kannada movie by Sunil Kumar Desai starring Devraj.
 The concept of the movie is based on "Jack the Ripper".
 2011 Hindi movie "Murder 2" which was unofficially based on the 2008 South Korean movie "The Chaser" also had a similar plotline.
Casanova Wong, also known as Ka Sat Fat (卡薩伐), is a former Korean martial arts actor born in 1945 as Yong-ho Kim in Gimje, South Korea.
 An expert in tae kwon do, he is a leg-fighter, and is well known for his spin kicks and was nicknamed "The Human Tornado" in the Republic of Korea Army.
 He made many appearances in martial arts movies but is most remembered for his role as Cashier Hua in "Warriors Two", where he starred alongside Sammo Hung, with whom he worked several times.
 Other films included "Story of Drunken Master" and "Rivals of the Silver Fox".
 One of Wong's last notable movie appearances was as Kang-ho in the 1994 Korean movie "Bloody Mafia".
James Bond (Tag line: "Nenu Kadhu Naa Pellam") is a 2015 Telugu action comedy film written and directed by Sai Kishore Macha and produced by Anil Sunkara under the banner A.K.Entertainments.
 It features Allari Naresh and Sakshi Chaudhary in the lead roles while Ashish Vidyarthi, Raghu Babu and Krishna Bhagavan appear in supporting roles.
 Allari Naresh has crooned his voice for a song in the movie.
 The film was released on 24 July 2015.
 The movie is loosely based on the Korean movie "My Wife Is a Gangster".
Obaltan (Korean: 오발탄 ), also known as "The Aimless Bullet" and "Stray Bullet", is a 1960 South Korean tragedy film directed by Yu Hyun-mok.
 The plot is based on the same titled short novel written by Yi Beomseon.
 It has often been called the best Korean movie ever made.
Vishnuvardhana is a 2011 Kannada comedy thriller film starring Sudeep, Bhavana Menon and Priyamani.
 The film was directed and written by P. Kumar, in his debut, and produced by actor Dwarakish.
 The film is supposedly a tribute to south superstar, Kannada Matinee idol Dr. Vishnuvardhan who was a friend of Dwarakish.
 The film's music was composed by V. Harikrishna.
 The film was released on 8 December 2011.
 The movie was dubbed in Hindi as "Mr. Mobile 2".
 The film was officially remade in Bengali as "Bachchan".
 The movie was reported to be inspired by the 2009 South Korean movie "Handphone" which the director had vehemently denied.
D-War (Korean: 디워, released in North America as Dragon Wars: D-War), is a 2007 South Korean action-adventure fantasy film written and directed by Shim Hyung-rae, and starring Jason Behr, Amanda Brooks, Robert Forster, and Elizabeth Peña.
Shim Hyung-rae (; born January 3, 1958, sometimes credited as Hyung Rae Shim) is a South Korean former comedian and filmmaker best known for directing "Yonggary" () and "D-War" (), by far the most expensive Korean movie in history.
 He has often worked with fellow directors Nam Gi-nam () and Kim Cheong-gi ().