2006

6.8

1974

7.7

1990

7.8

2008

8.9

2019

7.7

2003

7.6

2001

7.5

2020

8.2

1990

7.4

2017

8.1

1977

7.2

2017

7.2

1966

8.0

2005

7.3

2020

8.1

2022

8.5

2009

7.4

1966

7.6

2002

7.9

2016

7.1