For all of the great successes George Harrison had in his solo career, how many of them showed up at the top of the hit parade?

2-Year U.S. Treasury Note Continuous Contract $102.777 0.047 0.05% 5-Year U.S. Treasury Note Continuous Contract $106.070 0.055 0.05% 10-Year U.S. Treasury Note Continuous Contract $108.188 0.047 ...