The US sold weapons to at least 98 countries between 2013 and 2017.
Its largest clients were: Saudia Arabia (18% of all sales), UAE (7.4% of all sales), and Australia (6.7% of all sales).
The US accounted for 34% of all exports and its exports increased by 25% compared to 2008-2012.
The US continues to export weapons to Saudi Arabia, despite its controversial war in Yemen.
You can read the full SIPRI report here.