There is a difference between the terms nation, state, and country, even though the words are often used interchangeably. Country and State are synonymous terms that both apply to self-governing political entities. Anation, however, is a group of people who share the same culture but do not have sovereignty.
I believe the answer is: 15-19 years old
The high number is caused by incompetent skills and driving under influence which seems more prevalent on this age group.
If put into a comparison, drivers within the age of 15-19 years old is 3 times more likely to be involved in an accident compared to the drivers that are 20 years old or older.
Answer: Net Pay is how much you've made during a pay period, YTD Net Pay is how you've made this year. (C)
Net pay is what you really get to take home. YTD net pay is your gross pay minus deductions. For example if your gross pay is $2000 and you paid $400 in taxes, benefits and other deductions the remaining amount would make your net pay $1600, YTD is something you will see this abbreviation a lot on your pay stub. This just means year to date. e.g. Dec 13, 2018