The economy of Zimbabwe mainly relies on the tertiary sector of the economy, also known as the service sector of the economy, which makes up to 60% of total GDP as of 2017. Zimbabwe has the second biggest Informal economy in the world as a percentage of its economy, with a score of 60.6%. Agriculture and mining largely contribute to exports. The economy of Zimbabwe grew at an average of 12% from 2009 to 2013, rendering it one of the fastest growing economies in the world. It had recovered from its negative growth from 1998 to 2008, before it slowed to 0.7% growth in 2016.