| january 1980 - december 1979 |
10.41 % |
|
january 1980 - january 1979 |
96.19 % |
| february 1980 - january 1980 |
13.29 % |
|
february 1980 - february 1979 |
117.40 % |
| march 1980 - february 1980 |
3.77 % |
|
march 1980 - march 1979 |
120.11 % |
| april 1980 - march 1980 |
3.82 % |
|
april 1980 - april 1979 |
117.44 % |
| may 1980 - april 1980 |
3.01 % |
|
may 1980 - may 1979 |
114.54 % |
| june 1980 - may 1980 |
4.01 % |
|
june 1980 - june 1979 |
101.35 % |
| july 1980 - june 1980 |
2.13 % |
|
july 1980 - july 1979 |
89.24 % |
| august 1980 - july 1980 |
3.59 % |
|
august 1980 - august 1979 |
88.18 % |
| september 1980 - august 1980 |
3.82 % |
|
september 1980 - september 1979 |
86.69 % |
| october 1980 - september 1980 |
4.61 % |
|
october 1980 - october 1979 |
82.68 % |
| november 1980 - october 1980 |
1.47 % |
|
november 1980 - november 1979 |
76.23 % |
| december 1980 - november 1980 |
4.00 % |
|
december 1980 - december 1979 |
75.07 % |