Armstrong's participation saw visitor numbers doubled, the economic impact more than doubled (from $17.3 million in 2008 to $39 million in 2009) and media coverage increased five-fold.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Armstrong's participation saw visitor numbers doubled, the economic impact more than doubled (from $17.3 million in 2008 to $39 million in 2009) and media coverage increased five-fold. ### Response: .