1984

7.7

1979

7.3

1989

7.0

2022

5.6

2010

6.3

1998

7.8

2004

7.9

1981

7.9

2022

7.4

1990

5.8

1997

6.4

2023

7.1

2011

7.2

1991

8.3

2012

8.2

1966

8.0

2009

7.2

1998

7.5

1986

8.0