| january 1968 - december 1967 |
0.52 % |
|
january 1968 - january 1967 |
4.04 % |
| february 1968 - january 1968 |
0.60 % |
|
february 1968 - february 1967 |
3.93 % |
| march 1968 - february 1968 |
0.43 % |
|
march 1968 - march 1967 |
3.91 % |
| april 1968 - march 1968 |
0.43 % |
|
april 1968 - april 1967 |
3.71 % |
| may 1968 - april 1968 |
0.09 % |
|
may 1968 - may 1967 |
3.80 % |
| june 1968 - may 1968 |
0.17 % |
|
june 1968 - june 1967 |
3.88 % |
| july 1968 - june 1968 |
-0.34 % |
|
july 1968 - july 1967 |
3.16 % |
| august 1968 - july 1968 |
0.94 % |
|
august 1968 - august 1967 |
3.31 % |
| september 1968 - august 1968 |
0.34 % |
|
september 1968 - september 1967 |
3.30 % |
| october 1968 - september 1968 |
0.50 % |
|
october 1968 - october 1967 |
3.64 % |
| november 1968 - october 1968 |
0.08 % |
|
november 1968 - november 1967 |
3.82 % |
| december 1968 - november 1968 |
0.33 % |
|
december 1968 - december 1967 |
4.17 % |