1989

5.8

1949

7.5

2017

6.3

2020

6.5

1979

7.1

1981

7.3

2006

6.1

2005

5.2

2006

6.6

1990

4.4

1970

7.6

2017

6.6

2021

7.4

1994

6.2

2008

5.9

2020

5.2

2003

6.8

1980

7.3

1968

7.6