I find this interesting to know. Even if it's not completely accurate, and it depends on the person, you still get an idea of the time it takes to put into something and be successful.
Did this help you understand your situation?
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http://www.wisdomgroup.com/report/10000_hours_of_practice
Here is also a website calculating how many days/yrs it will take to reach 10,000hrs of practice.
http://www.ryac.ca/blog/2010/01/10000-hours-how-long-is-that/
I find this interesting to know. Even if it's not completely accurate, and it depends on the person, you still get an idea of the time it takes to put into something and be successful.