not pretty graph

X = range(1, 8)
Y = [42586, 5298, 1145, 128, 36, 11, 2]

bar(X, Y, facecolor='#9999ff')

axes = gca()
axes.set_yscale('log')

xticks(X, X, ha='center')

for x, y in zip(X, Y):
    text(x + 0.4, y + 0.5, '%i' % y, ha='center', va='bottom')

plot()
show()