1953

6.7

2004

7.7

2025

6.7

0.0

1999

6.5

1996

6.3

1995

7.4

1994

5.0

1993

7.2

1992

6.8

1988

5.8

1986

6.6

1992

0.0

1992

6.0

1981

7.0

1992

7.9

1989

5.0

1981

0.0

2017

7.1

1998

8.4