As of December 2020, Meloxi Bank has a pool of assets with common credit risk characteristics. Its past 5-year performance is (all amounts are in $'millions): YEAR AMORTIZED COST AVERAGE BALANCE ANNUAL NET CHARGE OFF 2016 190,890 177,896 10,391 2017 191,650 179,439 12,592 2018 195,866 185,624 11,833 2019 199,973 190,743 13,214 2020 206,844 195,394 13,863 Meloxi estimates that payments on the pool of assets over the next 5 years (i.e., 2021 to 2025) will be $44,158, $54,360, $43,434, $36,783, and $28,109, respectively. What was Meloxi's charge off rate in 2020? (rounded)