2022

5.4

1999

6.8

1998

7.0

1984

4.5

2006

7.4

1989

8.0

1989

8.3

1968

6.9

2004

8.0

1991

6.6

1999

6.8

2004

6.3

2005

8.1

2003

5.3

1977

6.5

1993

7.7

2004

6.8

1960

6.5

2001

6.8

2002

7.4