| january 1980 - december 1979 |
2.75 % |
|
january 1980 - january 1979 |
16.77 % |
| february 1980 - january 1980 |
0.89 % |
|
february 1980 - february 1979 |
16.91 % |
| march 1980 - february 1980 |
0.54 % |
|
march 1980 - march 1979 |
16.33 % |
| april 1980 - march 1980 |
0.97 % |
|
april 1980 - april 1979 |
15.70 % |
| may 1980 - april 1980 |
0.69 % |
|
may 1980 - may 1979 |
15.16 % |
| june 1980 - may 1980 |
1.55 % |
|
june 1980 - june 1979 |
15.92 % |
| july 1980 - june 1980 |
1.41 % |
|
july 1980 - july 1979 |
15.08 % |
| august 1980 - july 1980 |
1.17 % |
|
august 1980 - august 1979 |
15.29 % |
| september 1980 - august 1980 |
1.06 % |
|
september 1980 - september 1979 |
15.00 % |
| october 1980 - september 1980 |
0.80 % |
|
october 1980 - october 1979 |
14.39 % |
| november 1980 - october 1980 |
1.02 % |
|
november 1980 - november 1979 |
15.28 % |
| december 1980 - november 1980 |
1.40 % |
|
december 1980 - december 1979 |
15.21 % |