1999

7.5

1958

6.8

1952

6.7

1924

7.1

1987

7.5

1984

6.6

1997

6.2

1990

6.3

2010

7.6

1994

7.4

1995

6.2

1966

6.6

1961

7.5

1986

6.3

2005

6.9

1997

6.9

2016

6.0

1951

7.2

2009

6.0

2017

6.2