# Top 5 taught languages
taught_language = records['LANGUAGETAUGHT']
top_taught_languages = taught_language.value_counts()[:10]
top_taught_languages = top_taught_languages.drop(labels=['XX']) # drop "unknown language"
print(top_taught_languages)

# Plot it
top_taught_languages.plot(kind='bar', figsize=figsize)
plt.title("Top 10 taught languages")
plt.xlabel('Language')
plt.ylabel('Number of students')
plt.show()