from matplotlib.pyplot import (axes,axis,title,legend,figure,
                               xlabel,ylabel,xticks,yticks,
                               xscale,yscale,text,grid,
                               plot,scatter,errorbar,hist,polar,
                               contour,contourf,colorbar,clabel,
                               imshow)
plt.ylim(0,300000)
plt.grid(True)
plt.show(plot(['2013', '2014', '2015', '2016'],[netto_IM_2013, netto_IM_2014, netto_IM_2015, netto_IM_2016],linewidth=2,color="#440000",zorder=2))