| january 2012 - december 2011 |
0.76 % |
|
january 2012 - january 2011 |
3.65 % |
| february 2012 - january 2012 |
0.05 % |
|
february 2012 - february 2011 |
3.56 % |
| march 2012 - february 2012 |
0.07 % |
|
march 2012 - march 2011 |
3.97 % |
| april 2012 - march 2012 |
0.21 % |
|
april 2012 - april 2011 |
4.50 % |
| may 2012 - april 2012 |
0.07 % |
|
may 2012 - may 2011 |
4.45 % |
| june 2012 - may 2012 |
0.62 % |
|
june 2012 - june 2011 |
4.53 % |
| july 2012 - june 2012 |
0.70 % |
|
july 2012 - july 2011 |
4.56 % |
| august 2012 - july 2012 |
0.95 % |
|
august 2012 - august 2011 |
4.58 % |
| september 2012 - august 2012 |
0.01 % |
|
september 2012 - september 2011 |
4.31 % |
| october 2012 - september 2012 |
0.16 % |
|
october 2012 - october 2011 |
4.61 % |
| november 2012 - october 2012 |
0.07 % |
|
november 2012 - november 2011 |
4.32 % |
| december 2012 - november 2012 |
0.54 % |
|
december 2012 - december 2011 |
4.30 % |