1990

7.8

1955

7.7

1991

7.2

1996

8.1

1998

6.8

2013

7.4

1992

8.5

2016

7.0

1996

8.0

1990

7.9

2003

7.3

1999

7.4

2009

8.0

2015

7.8

2009

5.8

2023

7.7

1994

8.4

2016

6.7

2021

7.2

2011

6.7