2012

7.2

2008

5.5

1975

7.3

1989

7.0

1992

6.7

2014

7.7

2011

7.0

2006

6.4

2019

8.7

1996

8.0

1955

6.2

2019

5.7

2013

6.8

2023

6.1

1998

6.4

1997

6.4

1994

6.5

2000

7.0

1986

7.1

1994

7.1