2003

7.2

2007

7.0

2009

5.8

1986

7.0

2022

6.5

2021

6.8

2002

8.4

2006

8.2

2019

7.7

1994

8.7

1957

8.5

1989

7.8

1994

8.5

1994

8.5

2017

8.2

2014

8.5

2016

7.6

2019

7.2

1979

8.2

2019

8.5