1998

6.4

2017

8.1

1964

7.0

2012

9.8

1972

6.4

1992

6.4

1973

6.5

2005

6.3

2019

8.7

1949

7.0

1984

6.5

2014

5.9

1986

5.8

2008

7.5

2010

7.1

1996

8.0

2023

6.6

1958

6.7

2015

7.4

1955

7.2