| january 1980 - december 1979 |
1.17 % |
|
january 1980 - january 1979 |
8.98 % |
| february 1980 - january 1980 |
1.48 % |
|
february 1980 - february 1979 |
9.33 % |
| march 1980 - february 1980 |
0.97 % |
|
march 1980 - march 1979 |
9.61 % |
| april 1980 - march 1980 |
1.93 % |
|
april 1980 - april 1979 |
10.75 % |
| may 1980 - april 1980 |
1.10 % |
|
may 1980 - may 1979 |
11.59 % |
| june 1980 - may 1980 |
0.39 % |
|
june 1980 - june 1979 |
11.25 % |
| july 1980 - june 1980 |
0.62 % |
|
july 1980 - july 1979 |
11.36 % |
| august 1980 - july 1980 |
1.31 % |
|
august 1980 - august 1979 |
12.34 % |
| september 1980 - august 1980 |
1.37 % |
|
september 1980 - september 1979 |
12.91 % |
| october 1980 - september 1980 |
0.98 % |
|
october 1980 - october 1979 |
13.34 % |
| november 1980 - october 1980 |
0.89 % |
|
november 1980 - november 1979 |
13.50 % |
| december 1980 - november 1980 |
0.74 % |
|
december 1980 - december 1979 |
13.76 % |