| january 2008 - december 2007 |
0.27 % |
|
january 2008 - january 2007 |
2.03 % |
| february 2008 - january 2008 |
0.68 % |
|
february 2008 - february 2007 |
2.25 % |
| march 2008 - february 2008 |
0.99 % |
|
march 2008 - march 2007 |
2.15 % |
| april 2008 - march 2008 |
0.37 % |
|
april 2008 - april 2007 |
2.04 % |
| may 2008 - april 2008 |
0.36 % |
|
may 2008 - may 2007 |
2.33 % |
| june 2008 - may 2008 |
-0.18 % |
|
june 2008 - june 2007 |
2.56 % |
| july 2008 - june 2008 |
0.15 % |
|
july 2008 - july 2007 |
3.21 % |
| august 2008 - july 2008 |
0.19 % |
|
august 2008 - august 2007 |
3.22 % |
| september 2008 - august 2008 |
0.43 % |
|
september 2008 - september 2007 |
3.06 % |
| october 2008 - september 2008 |
-0.23 % |
|
october 2008 - october 2007 |
2.78 % |
| november 2008 - october 2008 |
-0.36 % |
|
november 2008 - november 2007 |
2.26 % |
| december 2008 - november 2008 |
-0.73 % |
|
december 2008 - december 2007 |
1.94 % |