| 1978=100 |
| 1980=100 |
| 1985=100 |
| 1990=100 |
| 1995=100 |
| 1996=100 |
| 1997=100 |
| 1998=100 |
| 1999=100 |
| 2000=100 |
| 2001=100 |
| 2002=100 | |
|
573.8 |
|
397 |
|
513.9 |
|
360.1 |
| 365.4 |
404.1 |
330.6 |
292.3 |
| 215.7 |
233.1 |
200.3 |
172.3 |
| 111.3 |
114.1 |
110.3 |
97.4 |
| 103.1 |
103.8 |
103.2 |
92.1 |
| 100.3 |
99.8 |
101 |
91.8 |
| 100.6 |
99.3 |
101.8 |
93.3 |
| 101.8 |
99.8 |
103.3 |
95.4 |
| 100.8 |
98.9 |
102.2 |
96.4 |
| 101 |
99.3 |
102.2 |
98.3 |
| 101.9 |
100.5 |
102.9 |
99.6 | |
