| january 1999 - december 1998 |
2.96 % |
|
january 1999 - january 1998 |
70.64 % |
| february 1999 - january 1999 |
1.27 % |
|
february 1999 - february 1998 |
53.41 % |
| march 1999 - february 1999 |
-0.19 % |
|
march 1999 - march 1998 |
45.42 % |
| april 1999 - march 1999 |
-0.67 % |
|
april 1999 - april 1998 |
37.97 % |
| may 1999 - april 1999 |
-0.29 % |
|
may 1999 - may 1998 |
30.74 % |
| june 1999 - may 1999 |
-0.33 % |
|
june 1999 - june 1998 |
24.53 % |
| july 1999 - june 1999 |
-1.06 % |
|
july 1999 - july 1998 |
13.50 % |
| august 1999 - july 1999 |
-0.92 % |
|
august 1999 - august 1998 |
5.78 % |
| september 1999 - august 1999 |
-0.69 % |
|
september 1999 - september 1998 |
1.25 % |
| october 1999 - september 1999 |
0.06 % |
|
october 1999 - october 1998 |
1.57 % |
| november 1999 - october 1999 |
0.10 % |
|
november 1999 - november 1998 |
1.59 % |
| december 1999 - november 1999 |
1.75 % |
|
december 1999 - december 1998 |
1.93 % |