- 增加 5% ( incrCount(5) )
- 減去 5% ( decrCount(5) )
- 顯示到 0% ( setCount(0) )
- 顯示到 25% ( setCount(25) )
- 顯示到 50% ( setCount(50) )
- 顯示到 75% ( setCount(75) )
- 顯示到 100% ( setCount(100) )