Please answer a question about the following article about Professional wrestling:

Documentary filmmakers have studied the lives of wrestlers and the effects the profession has on them and their families. The 1999 theatrical documentary Beyond the Mat focused on Terry Funk, a wrestler nearing retirement; Mick Foley, a wrestler within his prime; Jake Roberts, a former star fallen from grace; and a school of wrestling student trying to break into the business. The 2005 release Lipstick and Dynamite, Piss and Vinegar: The First Ladies of Wrestling chronicled the development of women's wrestling throughout the 20th century. Pro wrestling has been featured several times on HBO's Real Sports with Bryant Gumbel. MTV's documentary series True Life featured two episodes titled "I'm a Professional Wrestler" and "I Want to Be a Professional Wrestler". Other documentaries have been produced by The Learning Channel (The Secret World of Professional Wrestling) and A&E (Hitman Hart: Wrestling with Shadows). Bloodstained Memoirs explored the careers of several pro wrestlers, including Chris Jericho, Rob Van Dam and Roddy Piper.

When did Beyond the Mat come out?
1999