1989

7.8

1972

8.7

1974

8.6

2019

8.0

2019

8.0

2020

6.1

1990

7.0

1987

6.9

1994

6.9

1928

7.6

1995

5.7

1963

7.4

2018

7.2

1975

7.3

1992

7.9

1961

7.7

2018

7.1

1997

7.1

2001

7.4

2020

5.2