january 1981 - december 1980 |
6.84 % |
|
january 1981 - january 1980 |
99.67 % |
february 1981 - january 1981 |
6.40 % |
|
february 1981 - february 1980 |
103.07 % |
march 1981 - february 1981 |
4.97 % |
|
march 1981 - march 1980 |
101.03 % |
april 1981 - march 1981 |
6.46 % |
|
april 1981 - april 1980 |
103.27 % |
may 1981 - april 1981 |
5.56 % |
|
may 1981 - may 1980 |
103.00 % |
june 1981 - may 1981 |
5.52 % |
|
june 1981 - june 1980 |
103.41 % |
july 1981 - june 1981 |
6.26 % |
|
july 1981 - july 1980 |
104.78 % |
august 1981 - july 1981 |
5.50 % |
|
august 1981 - august 1980 |
105.85 % |
september 1981 - august 1981 |
5.26 % |
|
september 1981 - september 1980 |
107.88 % |
october 1981 - september 1981 |
5.08 % |
|
october 1981 - october 1980 |
99.52 % |
november 1981 - october 1981 |
5.27 % |
|
november 1981 - november 1980 |
96.89 % |
december 1981 - november 1981 |
5.93 % |
|
december 1981 - december 1980 |
95.62 % |