| january 1980 - december 1979 |
1.43 % |
|
january 1980 - january 1979 |
13.91 % |
| february 1980 - january 1980 |
1.41 % |
|
february 1980 - february 1979 |
14.18 % |
| march 1980 - february 1980 |
1.52 % |
|
march 1980 - march 1979 |
14.76 % |
| april 1980 - march 1980 |
1.12 % |
|
april 1980 - april 1979 |
14.73 % |
| may 1980 - april 1980 |
0.99 % |
|
may 1980 - may 1979 |
14.41 % |
| june 1980 - may 1980 |
1.10 % |
|
june 1980 - june 1979 |
14.38 % |
| july 1980 - june 1980 |
0.00 % |
|
july 1980 - july 1979 |
13.13 % |
| august 1980 - july 1980 |
0.73 % |
|
august 1980 - august 1979 |
12.87 % |
| september 1980 - august 1980 |
0.84 % |
|
september 1980 - september 1979 |
12.60 % |
| october 1980 - september 1980 |
0.95 % |
|
october 1980 - october 1979 |
12.77 % |
| november 1980 - october 1980 |
0.83 % |
|
november 1980 - november 1979 |
12.65 % |
| december 1980 - november 1980 |
0.94 % |
|
december 1980 - december 1979 |
12.52 % |