The Fortune Global 500, also known as the Global 500, is an annual ranking of the top 500 corporations worldwide as measured by revenue.

In total, the Global 500 generated $32.7 trillion in revenues in 2019. The table provides a list of the 20 companies with the highest revenues (in billions of dollars) in 2019.

Revenues for the top Global 500 companies in 2019

Company Name	Revenues ($b)	Company Name	Revenues ($b)
Wal-Mart	514.4	Apple	265.6
Sinopec Group	414.6	Berkshire Hathaway	247.8
Royal Dutch Shell	396.6	Amazon.com	232.9
China National Petroleum	393.0	UnitedHealth	226.2
State Grid	387.1	Samsung Electronics	221.6
Saudi Aramco	355.9	Glencore	219.8
BP	303.7	McKesson	214.3
Exxon Mobil	290.2	Daimler	197.5
Volkswagen	278.3	CVS Health	194.6
Toyota Motor	272.6	Total	184.1

Make a stemplot of the data.