upload this chart
I don't know why I cannot edit the post above.
(Maybe I use a special software as here some webstes are banned in China. I have this problem ever since I moved from Singpaore to China last year.)
I don't know why I cannot edit the post above.
(Maybe I use a special software as here some webstes are banned in China. I have this problem ever since I moved from Singpaore to China last year.)