Poincaré series of valuations on functions over a field

For a subfield $\text{K}$ of the field $\text{C}$ of complex numbers, we consider curve and divisorial valuations on the algebra $\text{K}[[x,y]]$ of formal power series in two variables with the coeficients in $\text{K}$. We compute the semigroup Poincaré series and the classical Poincaré series of a valuation.