import pandas as pd
ax2 = pd.DataFrame({'MR': [76.9, 77.41, 78.4], 'CR': [78.6, 78.49, 80.4], 'SST':[80.3, 81.99, 83.0]}, index=['Glove', "Glove⊕FastText", "GV ⊕ GN ⊕ MS ⊕ AR "]).plot.bar(rot=0, grid=True, figsize=(12,5))
for p in ax2.patches:
    ax2.annotate(str(p.get_height()), (p.get_x() * 1.005, p.get_height() * 1.005))