Question: In which year was a musical based on Bridget Jones's Diary first developed?

Context paragraphs:
Bridget Jones Nelson: Bridget Jones Nelson (born September 24, 1964), also credited as simply Bridget Jones or Bridget Nelson, is an American screenwriter and actress for "Mystery Science Theater 3000".  She worked as a contributing writer for the show before becoming a full-time writer in season 4.

Sally Phillips: Sally Elizabeth Phillips (born 10 May 1970) is an English actress, television presenter and comedian.  She co-created and was one of the writers of sketch comedy show "Smack the Pony".  She is also known for her main role in "Miranda" as Tilly, "Parents" as Jenny Pope and "Set the Thames on Fire" as Colette in 2015.  Phillips also co-starred in "Pride and Prejudice and Zombies", as Mrs Bennet, and reprised her role as Sharon in the 2016 film "Bridget Jones's Baby", following "Bridget Jones's Diary" and "".

Bridget Jones (film series): Bridget Jones is a British-American romantic comedy film series based on Helen Fielding novels of the same name.  The series consists of "Bridget Jones's Diary" (2001), "" (2004) and the third film "Bridget Jones's Baby" (2016).  The series has grossed over $751 million worldwide against a combined budget of $100 million.

Bridget Jones: Bridget Jones is a franchise based on a fictional character of the same name.  British writer Helen Fielding started her "Bridget Jones's Diary" column in "The Independent" in 1995, while chronicling the life of Jones as a thirtysomething single woman in London as she tries to make sense of life and love with the help of a surrogate "urban family" of friends in the 1990s.  The column lampooned the obsession of women with women's magazines such as "Cosmopolitan" and wider social trends in Britain at the time.  Fielding published the novelisation of the column in 1996, followed by a sequel in 1999 called "".

Bridget Jones's Diary: Bridget Jones's Diary is a 1996 novel by Helen Fielding.  Written in the form of a personal diary, the novel chronicles a year in the life of Bridget Jones, a thirty-something single working woman living in London.  She writes about her career, self-image, vices, family, friends, and romantic relationships.

Bridget Jones's Diary (film): Bridget Jones's Diary is a 2001 British-American-French romantic comedy film directed by Sharon Maguire and written by Richard Curtis, Andrew Davies, and Helen Fielding.  It is based on Fielding's novel of the same name, which is a reinterpretation of Jane Austen's "Pride and Prejudice".  The adaptation stars Renée Zellweger as Bridget, Hugh Grant as the caddish Daniel Cleaver, and Colin Firth as Bridget's "true love", Mark Darcy.  Production began in May 2000 and ended in August 2000, and took place largely on location in London and the Home Counties.  The film premiered on 4 April 2001 in the UK and was released to theatres on 13 April 2001 simultaneously in the UK and in the US.

Bridget Jones' Diary (musical): Bridget Jones' Diary is a musical based on the award-winning book and film of the same name.  The show has been in development since 2009 and has had several workshop readings.  A West End production is anticipated, although no date has been set.

Bridget Jones: The Edge of Reason: Bridget Jones: The Edge of Reason is a 1999 novel by Helen Fielding, a sequel to her popular "Bridget Jones's Diary".  It chronicles Bridget Jones's adventures after she begins to suspect that her boyfriend, Mark Darcy, is falling for a rich young solicitor who works in the same firm as him, a woman called Rebecca.  The comic novel follows the characteristic ups and downs of the self-proclaimed singleton's first real relationship in several years.  It also involves many misunderstandings, a few work mishaps, and an adventure in Southeast Asia involving planted drugs and Madonna songs.

Helen Fielding: Helen Fielding is an English novelist and screenwriter, best known as the creator of the fictional character Bridget Jones, and a sequence of novels and films beginning with the life of a thirtysomething singleton in London trying to make sense of life and love. " Bridget Jones's Diary" (1996) and " " (1999) were published in 40 countries and sold more than 15 million copies.  The two films of the same name achieved international success.  In a survey conducted by "The Guardian" newspaper, "Bridget Jones’s Diary" was named as one of the ten novels that best defined the 20th century.

James Callis: James Nicholas Callis (born 4 June 1971) is an English actor.  He is best known for playing Dr. Gaius Baltar in the re-imagined "Battlestar Galactica" miniseries and television series, and Bridget Jones' best friend in "Bridget Jones's Diary" and "".  He later reprised the role in 2016, in "Bridget Jones's Baby."  He joined the cast of the TV Series "Eureka", on Syfy, in 2010.  In 2017 he voiced the character Alucard on the Netflix series "Castlevania", based on the video game of the same name.

Supporting paragraphs: Bridget Jones' Diary (musical) Bridget Jones's Diary (film)
Answer: 2009