1968

3.3

2017

8.3

1964

6.5

1964

5.9

1960

6.6

1988

5.8

1985

7.0

1979

0.0

2019

6.9

1996

6.6

1934

7.8

1991

8.0

1956

6.6

2005

5.8

1955

6.5

2025

7.6

2000

6.4

1982

6.0

1970

7.5

1998

6.2