Year founded: 2015 How long it took to become a unicorn: 1 year, 9 months Total raised: $277 million Currently valued at: $1 billionYear founded: 2016 How long it took to become a unicorn: 1 year, 9 months Total raised: $1.38 billion Estimated current value: $2.5 billionYear founded: 2015 How long it took to become a unicorn: 1 year, 11 months Total raised: $330 million Estimated current value: $1 billionYear founded: 2015 How long it took to become a unicorn: 2 years Total raised: $475 million Estimated current value: $1 billionYear founded: 2014 How long it took to become a unicorn: 2 years Total raised: $302 million Estimated current value: $3.5 billion Source: BloombergYear founded: 2015 How long it took to become a unicorn: 2 years, 1 month Total raised: $1.1 billion Estimated current value: $3 billionYear founded: 2013 How long it took to become a unicorn: 2 years, 3 months Total raised: $267 million Estimated current value: $1.2 billionYear founded: 2012 How long it took to become a unicorn: 2 years, 4 months Total raised: $1 billion Currently valued at: $4.4 billionYear founded: 2014 How long it took to become a unicorn: 2 years, 8 months Total raised: $320 million Currently valued at: $1 billionYear founded: 2008 How long it took to become a unicorn: 2 years, 11 months Total raised: $3.4 billion Currently valued at: $31 billion