Youtube上的频道如 Doctor O'Donovan


1,540,000 2.64%

20,400,000 2.43%

10,500,000 3.02%

361,000 2.79%

66,100 2.4%

72,500 0.54%

54,700 1.09%



15,400 5.03%

253,000 2.92%

36,400 3.97%

756,000 1.11%

859,000 4.19%

334,000 2.86%


1,020,000 3.13%


2,690,000 3.59%

4,040,000 13.0%