2016

6.9

2014

5.3

2000

6.8

1978

6.6

1984

5.6

1944

5.0

1996

5.9

2003

5.8

1995

5.8

1990

7.7

1968

7.3

1953

7.0

1962

7.3

2004

7.3

1964

7.2

1947

6.5

1990

7.9

2020

5.6

1956

7.6

2005

7.3