
January
|
12%
|
February
|
14%
|
March
|
15%
|
April
|
15.5%
|
May
|
16.5%
|
June
|
17.5%
|
July
|
19%
|
August
|
19%
|
September
|
19%
|
October
|
18%
|
November
|
17%
|
December
|
%
|

