The Pareto Principle can be upheld in almost every facet of life. Thats the 80/20 rule. In Colorado, hunting success is only occurring approximately 20% of the time +/- a few percentages. Some would argue that. But, I would submit that the people arguing are in the 20% and therefore see that they are actually about 80-90% successful. This, if researched more heavily would no doubt hold true.
Some research was done and it showed that the successful hunters tend to be successful year after year while new hunters and the non-committed are nowhere near the success rate than that of the seasoned folks.