Salary floor
EUR 4,500 a month
This is not a salary an Estonian employer pays you — it is the income the Estonian Embassy in Washington states as the current monthly threshold for this visa, gross of tax, from remote work for an employer or clients outside Estonia. You have to evidence its amount, regularity and source for the six months immediately before you apply.
A figure without the year it belongs to and the condition attached to it is how someone rules themselves out of a permit they qualify for. Both are above.