| january 1980 - december 1979 |
0.93 % |
|
january 1980 - january 1979 |
21.16 % |
| february 1980 - january 1980 |
1.86 % |
|
february 1980 - february 1979 |
21.37 % |
| march 1980 - february 1980 |
1.28 % |
|
march 1980 - march 1979 |
20.98 % |
| april 1980 - march 1980 |
0.67 % |
|
april 1980 - april 1979 |
18.40 % |
| may 1980 - april 1980 |
-0.11 % |
|
may 1980 - may 1979 |
14.93 % |
| june 1980 - may 1980 |
1.05 % |
|
june 1980 - june 1979 |
15.80 % |
| july 1980 - june 1980 |
0.96 % |
|
july 1980 - july 1979 |
16.58 % |
| august 1980 - july 1980 |
0.95 % |
|
august 1980 - august 1979 |
15.25 % |
| september 1980 - august 1980 |
0.17 % |
|
september 1980 - september 1979 |
12.96 % |
| october 1980 - september 1980 |
0.91 % |
|
october 1980 - october 1979 |
11.59 % |
| november 1980 - october 1980 |
0.61 % |
|
november 1980 - november 1979 |
11.10 % |
| december 1980 - november 1980 |
2.73 % |
|
december 1980 - december 1979 |
12.66 % |