2019

5.8

1995

7.6

2001

7.8

1963

7.4

1985

8.3

1999

7.4

1989

7.8

1986

7.2

1990

7.5

1996

7.3

1984

7.7

1962

7.9

2004

8.0

2006

6.3

1986

7.0

1998

6.1

1992

5.4

2004

6.2

2005

6.9

2003

5.7