1964

7.0

1965

6.8

2015

6.0

2019

6.3

2025

7.4

2012

7.1

2020

5.5

2022

6.3

2012

7.7

1980

7.3

2004

7.1

2003

7.3

1998

6.2

1993

5.0

1995

6.3

2019

6.6

2011

5.9

1959

7.3

2008

7.2

1997

6.2