january 1981 - december 1980 |
8.42 % |
|
january 1981 - january 1980 |
60.94 % |
february 1981 - january 1981 |
0.97 % |
|
february 1981 - february 1980 |
57.58 % |
march 1981 - february 1981 |
2.88 % |
|
march 1981 - march 1980 |
57.35 % |
april 1981 - march 1981 |
4.67 % |
|
april 1981 - april 1980 |
55.56 % |
may 1981 - april 1981 |
0.89 % |
|
may 1981 - may 1980 |
50.67 % |
june 1981 - may 1981 |
5.31 % |
|
june 1981 - june 1980 |
52.56 % |
july 1981 - june 1981 |
2.52 % |
|
july 1981 - july 1980 |
52.50 % |
august 1981 - july 1981 |
0.82 % |
|
august 1981 - august 1980 |
50.00 % |
september 1981 - august 1981 |
4.07 % |
|
september 1981 - september 1980 |
47.13 % |
october 1981 - september 1981 |
2.34 % |
|
october 1981 - october 1980 |
45.56 % |
november 1981 - october 1981 |
3.05 % |
|
november 1981 - november 1980 |
48.35 % |
december 1981 - november 1981 |
5.19 % |
|
december 1981 - december 1980 |
49.47 % |