2015

7.4

1994

8.1

1999

5.8

2017

6.6

1966

7.1

2001

6.0

1959

5.8

2013

6.6

1937

7.0

1962

7.7

1986

6.8

1971

7.1

1994

6.2

1982

6.9

1969

6.5

2024

7.6

2010

5.5

1987

7.2

1997

6.8