| january 1997 - december 1996 |
0.32 % |
|
january 1997 - january 1996 |
3.04 % |
| february 1997 - january 1997 |
0.31 % |
|
february 1997 - february 1996 |
3.03 % |
| march 1997 - february 1997 |
0.25 % |
|
march 1997 - march 1996 |
2.76 % |
| april 1997 - march 1997 |
0.12 % |
|
april 1997 - april 1996 |
2.50 % |
| may 1997 - april 1997 |
-0.06 % |
|
may 1997 - may 1996 |
2.23 % |
| june 1997 - may 1997 |
0.12 % |
|
june 1997 - june 1996 |
2.30 % |
| july 1997 - june 1997 |
0.12 % |
|
july 1997 - july 1996 |
2.23 % |
| august 1997 - july 1997 |
0.19 % |
|
august 1997 - august 1996 |
2.23 % |
| september 1997 - august 1997 |
0.25 % |
|
september 1997 - september 1996 |
2.15 % |
| october 1997 - september 1997 |
0.25 % |
|
october 1997 - october 1996 |
2.08 % |
| november 1997 - october 1997 |
-0.06 % |
|
november 1997 - november 1996 |
1.83 % |
| december 1997 - november 1997 |
-0.12 % |
|
december 1997 - december 1996 |
1.70 % |