| january 2012 - december 2011 |
0.09 % |
|
january 2012 - january 2011 |
4.24 % |
| february 2012 - january 2012 |
0.39 % |
|
february 2012 - february 2011 |
4.41 % |
| march 2012 - february 2012 |
0.17 % |
|
march 2012 - march 2011 |
3.79 % |
| april 2012 - march 2012 |
0.05 % |
|
april 2012 - april 2011 |
3.52 % |
| may 2012 - april 2012 |
0.02 % |
|
may 2012 - may 2011 |
3.13 % |
| june 2012 - may 2012 |
-0.29 % |
|
june 2012 - june 2011 |
2.65 % |
| july 2012 - june 2012 |
-0.01 % |
|
july 2012 - july 2011 |
2.51 % |
| august 2012 - july 2012 |
0.22 % |
|
august 2012 - august 2011 |
2.57 % |
| september 2012 - august 2012 |
0.77 % |
|
september 2012 - september 2011 |
2.84 % |
| october 2012 - september 2012 |
0.57 % |
|
october 2012 - october 2011 |
2.92 % |
| november 2012 - october 2012 |
-0.46 % |
|
november 2012 - november 2011 |
2.13 % |
| december 2012 - november 2012 |
-0.02 % |
|
december 2012 - december 2011 |
1.49 % |