| january 1980 - december 1979 |
3.34 % |
|
january 1980 - january 1979 |
12.67 % |
| february 1980 - january 1980 |
1.52 % |
|
february 1980 - february 1979 |
13.46 % |
| march 1980 - february 1980 |
0.51 % |
|
march 1980 - march 1979 |
13.46 % |
| april 1980 - march 1980 |
0.68 % |
|
april 1980 - april 1979 |
13.59 % |
| may 1980 - april 1980 |
0.32 % |
|
may 1980 - may 1979 |
13.27 % |
| june 1980 - may 1980 |
0.26 % |
|
june 1980 - june 1979 |
13.07 % |
| july 1980 - june 1980 |
0.84 % |
|
july 1980 - july 1979 |
13.24 % |
| august 1980 - july 1980 |
0.56 % |
|
august 1980 - august 1979 |
12.30 % |
| september 1980 - august 1980 |
2.84 % |
|
september 1980 - september 1979 |
15.00 % |
| october 1980 - september 1980 |
1.42 % |
|
october 1980 - october 1979 |
15.53 % |
| november 1980 - october 1980 |
0.61 % |
|
november 1980 - november 1979 |
14.58 % |
| december 1980 - november 1980 |
0.43 % |
|
december 1980 - december 1979 |
14.13 % |