january 1981 - december 1980 |
2.99 % |
|
january 1981 - january 1980 |
15.24 % |
february 1981 - january 1981 |
0.97 % |
|
february 1981 - february 1980 |
14.23 % |
march 1981 - february 1981 |
1.92 % |
|
march 1981 - march 1980 |
14.75 % |
april 1981 - march 1981 |
0.63 % |
|
april 1981 - april 1980 |
14.64 % |
may 1981 - april 1981 |
0.31 % |
|
may 1981 - may 1980 |
13.78 % |
june 1981 - may 1981 |
1.24 % |
|
june 1981 - june 1980 |
13.59 % |
july 1981 - june 1981 |
1.53 % |
|
july 1981 - july 1980 |
14.14 % |
august 1981 - july 1981 |
0.00 % |
|
august 1981 - august 1980 |
13.36 % |
september 1981 - august 1981 |
0.91 % |
|
september 1981 - september 1980 |
13.22 % |
october 1981 - september 1981 |
0.30 % |
|
october 1981 - october 1980 |
12.79 % |
november 1981 - october 1981 |
0.30 % |
|
november 1981 - november 1980 |
12.37 % |
december 1981 - november 1981 |
0.30 % |
|
december 1981 - december 1980 |
11.96 % |