Question: What year did Frank Vardon's Hot Video trade journal stop awarding the Hot d'Or award?

Context articles: Railroader of the Year
Hot d'Or
Advance for Medical Laboratory Professionals
Hot Video Countdown
Hot Vidéo
Trade magazine
Vardon Trophy
Tabatha Cash
Journal für praktische Chemie
The British Trade Journal

Railroader of the Year is an annual award presented to a North American railroad industry worker by trade journal "Railway Age".
 The award was first presented in 1964 by trade journal "Modern Railroads" and has continued through the magazine acquisition in 1992 to the present.
Hot d'Or (English: Golden Hot ) was an adult film industry pornographic award, awarded annually from 1992 to 2001 in Cannes, France by the French trade journal "Hot Vidéo".
The biweekly trade journal "Advance for Medical Laboratory Professionals" started in February 1989.
 During its time in circulation, it served an audience of bench technologists, chief technologists, cytotechnologists, generalists, histotechnologists, laboratory directors/managers, laboratory section heads, medical laboratory scientists, medical laboratory technicians, blood specialists, educators and others in the medical laboratory field.
 Special issues of the trade journal included the education issue, National Medical Laboratory Professionals Week issue, industry outlook issue, new graduate issue and the annual safety issue.
Hot Video Countdown is an upcoming daily music video series airing on The BWE Television Network.
 The show is hosted by Josh Skinner ("On Air with Ryan Seacrest"), actress Brit Sheridan (Kate, "Supernatural"), actor and model Sam Sarpong and Deja Riley, daughter of music legend Teddy Riley.
 In addition to music videos, "Hot Video Countdown" features musicians, actors, and other celebrities promoting their latest work in music, TV and film.
 Premiering January 1, 2018, performers Tahj Mowry, Tequan Richmond, and Don Benjamin have all announced they'll be on the first week.
Hot Vidéo is a French trade journal that covers the adult video industry.
 It was founded in June 1989 by Frank Vardon.
 It is now part of VCV Communications.
 Its average circulation date to 2011 is about 50,000 copies per month, while in the 1990s it was about 100,000 copies.
 Its staff include professional journalists previously committed to other news fields.
A trade magazine, also called a trade journal or professional magazine (colloquially or disparagingly a trade rag), is a magazine whose target audience is people who work in a particular trade or industry.
 The collective term for this area of publishing is the trade press.
The Vardon Trophy is awarded by the PGA of America to the PGA Tour's leader in scoring average.
 When the award was first given in 1937, it was awarded on the basis of a points system.
 No award was given from 1942–1946 due to World War II.
 In 1947, the PGA began awarding it for low scoring average.
 In 1988, the trophy began going to the golfer with the lowest adjusted scoring average over a minimum of 60 rounds, with no mid-round withdrawals (instituted in 1988).
 The trophy is named for the Jersey golfing great Harry Vardon, who died in 1937.
Tabatha Cash (born 27 December 1973) is the stage name of a French former pornographic actress and currently the editor in chief of France's Hot Video magazine as well as the head of the Hot Video group.
The Journal für praktische Chemie, was a German-language scientific journal for chemistry.
 The journal was founded in 1828 by Otto Linné Erdmann (1804–1869) as the "Journal für technische und ökonomische Chemie", the oldest chemical trade journal in Germany.
 From 1828 (under the original title) to 1869 Erdmann was the editor, along with Franz Wilhelm Schweigger-Seidel (from 1833 to 1838), Richard Felix Marchand (from 1839 to 1850), and Gustav Werther (from 1853 to 1869).
 From 1870 to 1884 Hermann Kolbe was the editor-in-chief.
 From 1879 to 1884 Ernst von Meyer worked as co-editor under Kolbe and became editor-in-chief upon Kolbe's death in 1884 and continued in that capacity until his own death in 1916.
 Beginning in 1917 the journal was edited by Julius Bredt, Theodor Curtius, Karl Elbs, Otto Fischer (1852–1932), Fritz Foerster, and Berthold Rassow with August Darapsky as editor-in-chief.
 Beginning in 1953 the "Journal für praktische Chemie" was published by the Chemische Gesellschaft der DDR.
The British Trade Journal was a commercial journal founded in 1863 as Morgans' British Trade Journal, and Export Price Current.
 It became "The British Trade Journal" in 1870 and changed its name to the British Trade Journal and Export World in 1929.
 It ceased publication in December 1967.