f, (ax1, ax2, ax3) = plt.subplots(3, 1)
CBE.choc.plot(ax = ax1)
CBE.beer.plot(ax = ax2)
CBE.elec.plot(ax = ax3)
ax1.set_ylabel('Choclate')
ax2.set_ylabel('Beer')
ax3.set_ylabel('Electric')
ax3.set_xlabel('Date')
ax1.set_title('Three Australian production time series')
plt.show()