2011

7.3

2006

5.7

1977

6.7

1996

6.4

1968

6.4

2021

9.2

1990

6.8

2015

6.0

1983

7.8

1994

4.5

1953

7.4

1966

8.0

1992

7.3

2006

7.0

1961

7.5

2006

5.7

1964

7.4

1948

8.0

2015

6.4

1975

7.3