2000

7.1

1951

5.8

1994

4.1

1973

6.2

1964

6.5

2005

6.7

1957

5.2

2005

6.1

2018

4.4

1949

5.4

1968

5.7

1939

6.1

1986

5.5

1957

5.8

1970

4.1

2010

6.1

1969

7.8

1962

6.2

2017

5.8

1971

0.0