| january 2013 - december 2012 |
-0.50 % |
|
january 2013 - january 2012 |
1.17 % |
| february 2013 - january 2013 |
0.28 % |
|
february 2013 - february 2012 |
1.04 % |
| march 2013 - february 2013 |
0.76 % |
|
march 2013 - march 2012 |
0.97 % |
| april 2013 - march 2013 |
-0.15 % |
|
april 2013 - april 2012 |
0.69 % |
| may 2013 - april 2013 |
0.06 % |
|
may 2013 - may 2012 |
0.80 % |
| june 2013 - may 2013 |
0.16 % |
|
june 2013 - june 2012 |
0.93 % |
| july 2013 - june 2013 |
-0.30 % |
|
july 2013 - july 2012 |
1.07 % |
| august 2013 - july 2013 |
0.46 % |
|
august 2013 - august 2012 |
0.87 % |
| september 2013 - august 2013 |
-0.23 % |
|
september 2013 - september 2012 |
0.88 % |
| october 2013 - september 2013 |
-0.13 % |
|
october 2013 - october 2012 |
0.57 % |
| november 2013 - october 2013 |
-0.04 % |
|
november 2013 - november 2012 |
0.68 % |
| december 2013 - november 2013 |
0.34 % |
|
december 2013 - december 2012 |
0.71 % |