| january 2007 - december 2006 |
-0.29 % |
|
january 2007 - january 2006 |
2.73 % |
| february 2007 - january 2007 |
-1.27 % |
|
february 2007 - february 2006 |
2.67 % |
| march 2007 - february 2007 |
2.30 % |
|
march 2007 - march 2006 |
2.63 % |
| april 2007 - march 2007 |
0.63 % |
|
april 2007 - april 2006 |
2.53 % |
| may 2007 - april 2007 |
0.25 % |
|
may 2007 - may 2006 |
2.62 % |
| june 2007 - may 2007 |
-0.10 % |
|
june 2007 - june 2006 |
2.63 % |
| july 2007 - june 2007 |
-0.75 % |
|
july 2007 - july 2006 |
2.52 % |
| august 2007 - july 2007 |
-0.74 % |
|
august 2007 - august 2006 |
2.53 % |
| september 2007 - august 2007 |
1.99 % |
|
september 2007 - september 2006 |
2.92 % |
| october 2007 - september 2007 |
0.72 % |
|
october 2007 - october 2006 |
3.10 % |
| november 2007 - october 2007 |
0.72 % |
|
november 2007 - november 2006 |
3.93 % |
| december 2007 - november 2007 |
0.41 % |
|
december 2007 - december 2006 |
3.88 % |