january 1981 - december 1980 |
3.22 % |
|
january 1981 - january 1980 |
27.80 % |
february 1981 - january 1981 |
2.46 % |
|
february 1981 - february 1980 |
27.98 % |
march 1981 - february 1981 |
2.14 % |
|
march 1981 - march 1980 |
28.08 % |
april 1981 - march 1981 |
2.26 % |
|
april 1981 - april 1980 |
28.72 % |
may 1981 - april 1981 |
1.51 % |
|
may 1981 - may 1980 |
28.57 % |
june 1981 - may 1981 |
1.40 % |
|
june 1981 - june 1980 |
27.83 % |
july 1981 - june 1981 |
1.76 % |
|
july 1981 - july 1980 |
26.55 % |
august 1981 - july 1981 |
2.06 % |
|
august 1981 - august 1980 |
26.54 % |
september 1981 - august 1981 |
1.86 % |
|
september 1981 - september 1980 |
27.47 % |
october 1981 - september 1981 |
2.22 % |
|
october 1981 - october 1980 |
28.36 % |
november 1981 - october 1981 |
1.92 % |
|
november 1981 - november 1980 |
28.60 % |
december 1981 - november 1981 |
2.69 % |
|
december 1981 - december 1980 |
28.68 % |