1965

4.0

1997

7.4

1999

7.7

2004

7.4

2002

7.6

2019

0.0

1995

7.3

1987

5.0

2003

7.1

2009

7.1

1982

6.2

1983

6.7

1984

7.2

1991

7.1

1993

6.5

1942

0.0

1986

6.6

2016

6.7

2008

5.5

2018

7.0