The size of each skill is proportional to its importance to an occupation.

· Race with the Machine: Tasks have experienced an increase in automation level, while the employment share for the tasks has increased from 2008 to 2020
· Race ahead of the Machine: Tasks have experienced a decrease in automation level, while the employment share for the tasks has increased from 2008 to 2020
· Changing the Course of the Race: Tasks were already highly automated in 2020, but have experienced a decrease in automation level, while the employment share for the tasks has decreased from 2008 to 2020
· Race against the Machine: Tasks have experienced an increase in automation level, while the employment share for the tasks has decreased from 2008 to 2020
· Running a Different Race: Tasks have experienced an increase in automation level, while the employment share for the tasks has remained relatively stable during 2008–2020