Incorrect y-axis range for values different only in fractional part

[pato7]

For values like 1.114, 1.143, 1.131, 1.173 the y axis range is from 0 to 1.2 instead of 1.100 to 1.180 (when used values 114, 143, 131, 173).

Example: https://codepen.io/pato7/pen/XONqMO