2003

8.6

2001

6.0

2005

6.8

2013

7.2

1996

5.1

1964

6.5

2019

5.9

2006

7.4

2022

7.6

2009

5.7

1989

6.0

2011

6.9

1991

5.9

1965

7.0

2013

5.6

1961

7.7

2008

6.3

2011

7.1

1984

6.4

1930

6.8