1984

7.0

2019

6.3

1996

5.3

2001

8.9

2004

7.7

1979

7.4

2007

7.7

1966

7.7

2013

6.1

1990

6.6

1999

5.8

2008

9.0

1991

5.0

2025

6.7

2002

8.3

1980

5.3

2020

5.4

1986

6.7

1980

6.9

1949

7.0