What was Verstappen's advantage entering the summer break when he won the title?

Max Verstappen has won the last three F1 world championships, and also leads the standings this year entering the summer break. But how does the advatanges he had entering the summer break compare to his current lead ahead of Lando Norris? GPblog lists you the Dutchman’s lead entering the break every time when he was crowned champion of the competition.