2001

7.7

2010

7.6

1990

7.0

2014

7.3

1969

6.7

2002

6.9

1996

8.0

2006

8.9

2023

7.2

2010

6.0

2014

7.1

2004

7.5

2001

7.4

1997

6.6

2004

8.1

2022

7.4

2010

7.4

2015

7.5

1991

7.6

1988

7.7