| january 1977 - december 1976 |
0.67 % |
|
january 1977 - january 1976 |
15.98 % |
| february 1977 - january 1977 |
1.56 % |
|
february 1977 - february 1976 |
15.25 % |
| march 1977 - february 1977 |
2.51 % |
|
march 1977 - march 1976 |
16.89 % |
| april 1977 - march 1977 |
1.21 % |
|
april 1977 - april 1976 |
18.11 % |
| may 1977 - april 1977 |
1.60 % |
|
may 1977 - may 1976 |
19.49 % |
| june 1977 - may 1977 |
0.66 % |
|
june 1977 - june 1976 |
18.72 % |
| july 1977 - june 1977 |
3.61 % |
|
july 1977 - july 1976 |
22.06 % |
| august 1977 - july 1977 |
1.94 % |
|
august 1977 - august 1976 |
22.70 % |
| september 1977 - august 1977 |
7.31 % |
|
september 1977 - september 1976 |
29.35 % |
| october 1977 - september 1977 |
7.22 % |
|
october 1977 - october 1976 |
36.61 % |
| november 1977 - october 1977 |
6.67 % |
|
november 1977 - november 1976 |
44.94 % |
| december 1977 - november 1977 |
4.37 % |
|
december 1977 - december 1976 |
46.77 % |