New Year's Resolution

When New Year comes, the number 1 greeting is "Happy New Year" and the number 1 question is "What's your New Year's Resolution?". Doing such thing seemed to be foolish but does it exist in action?
This is a "Mystery" thus, Detective Perry is on the way to investigate.
The survey says that 90% of the New Year's Resolution around the Earth doesn't happen totally. In short, it only express as a resolution with out action. In addition to your knowledge, the Top 1 New Year's Resolution in terms of population is to loose weight.
A mystery has been revealed by the "World of Mystery". Case Closed!