As someone who researches time series economic data, you can tell a story from the shape. I wish I am a better story teller.
Single hump (so far).
This group belongs to the climbers, although South Africa might have reached the top and is going downhill, which is a good thing when going up is bad.
The other guys. The other guys. Vietnam has been doing so well and the spike was so sudden.
If On A Winter's Night 