It appears to be a misreading. > We had 1,582 customers and 227 enterprise customers as of December 31, 2018. This is an increase of 143, or 10%, in customers

It appears to be a misreading. > We had 1,582 customers and 227 enterprise customers as of December 31, 2018. This is an increase of 143, or 10%, in customers and 57, or 33%, in enterprise customers from December 31, 2017. Page 72. The same figure appears again in the table on page 76.