| 1978=100 |
| 1980=100 |
| 1985=100 |
| 1990=100 |
| 1995=100 |
| 1996=100 |
| 1997=100 |
| 1998=100 |
| 1999=100 |
| 2000=100 |
| 2001=100 |
| 2002=100 |
| 2003=100 | |
|
589.9 |
|
403 |
|
528.3 |
|
365.5 |
| 379.7 |
415.4 |
345.8 |
296.7 |
| 224.1 |
239.6 |
209.5 |
174.9 |
| 115.6 |
117.3 |
115.4 |
98.9 |
| 107.1 |
106.7 |
107.9 |
93.5 |
| 104.2 |
102.6 |
105.6 |
93.2 |
| 104.5 |
102.1 |
106.5 |
94.7 |
| 105.8 |
102.6 |
108.1 |
96.8 |
| 104.7 |
101.7 |
106.9 |
97.8 |
| 104.9 |
102.1 |
106.9 |
99.8 |
| 105.9 |
103.3 |
107.6 |
101.1 |
| 103.9 |
102.8 |
104.6 |
101.5 | |
