| january 2008 - december 2007 |
-0.66 % |
|
january 2008 - january 2007 |
2.23 % |
| february 2008 - january 2008 |
0.76 % |
|
february 2008 - february 2007 |
2.51 % |
| march 2008 - february 2008 |
0.38 % |
|
march 2008 - march 2007 |
2.40 % |
| april 2008 - march 2008 |
0.84 % |
|
april 2008 - april 2007 |
2.97 % |
| may 2008 - april 2008 |
0.65 % |
|
may 2008 - may 2007 |
3.34 % |
| june 2008 - may 2008 |
0.65 % |
|
june 2008 - june 2007 |
3.81 % |
| july 2008 - june 2008 |
0.00 % |
|
july 2008 - july 2007 |
4.41 % |
| august 2008 - july 2008 |
0.64 % |
|
august 2008 - august 2007 |
4.78 % |
| september 2008 - august 2008 |
0.55 % |
|
september 2008 - september 2007 |
5.25 % |
| october 2008 - september 2008 |
-0.27 % |
|
october 2008 - october 2007 |
4.46 % |
| november 2008 - october 2008 |
-0.09 % |
|
november 2008 - november 2007 |
4.07 % |
| december 2008 - november 2008 |
-0.36 % |
|
december 2008 - december 2007 |
3.11 % |