1973

7.6

2010

7.7

2024

7.3

1980

7.3

2021

7.5

2002

7.5

2004

8.1

2018

7.8

1979

6.8

1982

7.1

2024

7.3

1995

6.4

1990

6.9

1994

6.9

1992

7.6

2011

7.4

2009

7.3

2015

6.2

2023

8.1

2023

7.5