Section 7. Officer Rank Distribution. —

The officer rank distribution of the PCG shall be as follows: two per centum (2%) in the Flag Officer rank; six per centum (6%) in the rank of Coast Guard Captain; twelve per centum (12%) in the rank of Coast Guard Commander; eighteen per centum (18%) in the rank of Coast Guard Lieutenant Commander; twenty per centum (20%) in the rank of Coast Guard Lieutenant; and forty-two per centum (42%) in the ranks of Coast Guard Lieutenant Junior Grade and Coast Guard Ensign: Provided, That such distribution is based on the ratio between officer and non-officer which is one (1) officer to every seven (7) non-officer: Provided, finally, That if the actual number in a rank is less than the number prescribed, the difference may be applied as an increase to the number prescribed in a lower rank.