2001 Pascal Problem 16

In the diagram, all triangles are equilateral. The total number of equilateral triangles of any size is

\textbf{(A)}\ 18\quad \textbf{(B)}\ 20\quad \textbf{(C)}\ 24\quad \textbf{(D)}\ 26\quad \textbf{(E)}\ 28

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Pascal contests here.