Assuming the data shown below has been correctly loaded into a Pandas DataFrame named small$\_$df$.$

country code population

Seychelles SEY $92900$

Antigua and Barbuda ANT $91818$

Dominica DMA $72680$

Andorra AND $70473$

Bermuda BER $65235$

Cayman Islands CAY $59967$

Saint Kitts and Nevis SKN $55572$

Write the code that would display a boxplot for the population column.