i have a work sheet that i am trying to have it count the total number in
months. I have several different months in the same colom. and need to have
it count the total for that month. if i sell 200 in may and 300 in april
and 20 in june .

example.

a1 17 may 07
a2 17 mar 07
a3 17 apr 07
a4 20 may 07
a5 2 jun 07


total sold in Mar _____
total sold in Apr ______
total sold in May ______
total sold in Jun _________