1998

7.0

2005

7.3

1996

3.5

1989

7.4

1990

10.0

1991

6.9

2005

6.7

2004

6.0

1975

6.9

1987

7.0

2019

10.0

2013

6.6

2013

6.8

1993

7.1

2005

0.0

2002

7.1

1995

7.7

2023

8.5

1994

7.8

1976

7.5