1986

6.3

1991

8.3

2023

7.0

1990

8.5

2011

8.1

2023

8.1

2004

7.9

2014

8.4

1986

7.4

2002

7.7

1982

8.1

2017

7.0

1995

7.9

2001

7.9

1999

8.4

2016

7.3

1987

7.5

1958

8.2

2016

7.6

2000

8.2