pallet       45   46   47   48   49   50
date
2019-04-15  4.0  NaN  2.0  NaN  NaN  2.0
2019-04-16  3.0  2.0  2.0  2.0  1.0  1.0
2019-04-17  2.0  2.0  2.0  2.0  1.0  1.0
2019-04-18  2.0  2.0  2.0  NaN  1.0  1.0
2019-04-19  2.0  2.0  2.0  NaN  1.0  1.0
2019-04-20  2.0  2.0  2.0  NaN  1.0  NaN

pivot.plot(subplots=True)
plt.show()