january 1981 - december 1980 |
1.62 % |
|
january 1981 - january 1980 |
28.76 % |
february 1981 - january 1981 |
0.80 % |
|
february 1981 - february 1980 |
24.40 % |
march 1981 - february 1981 |
1.94 % |
|
march 1981 - march 1980 |
22.26 % |
april 1981 - march 1981 |
0.86 % |
|
april 1981 - april 1980 |
22.41 % |
may 1981 - april 1981 |
2.22 % |
|
may 1981 - may 1980 |
21.32 % |
june 1981 - may 1981 |
2.76 % |
|
june 1981 - june 1980 |
23.17 % |
july 1981 - june 1981 |
0.98 % |
|
july 1981 - july 1980 |
23.38 % |
august 1981 - july 1981 |
1.05 % |
|
august 1981 - august 1980 |
22.60 % |
september 1981 - august 1981 |
1.28 % |
|
september 1981 - september 1980 |
21.90 % |
october 1981 - september 1981 |
-0.24 % |
|
october 1981 - october 1980 |
18.32 % |
november 1981 - october 1981 |
-0.87 % |
|
november 1981 - november 1980 |
16.64 % |
december 1981 - november 1981 |
0.56 % |
|
december 1981 - december 1980 |
13.69 % |