2017

7.2

2013

5.7

2004

7.7

1966

6.8

1989

5.4

2002

7.4

2010

5.9

2005

6.7

1965

6.8

1984

7.5

1998

7.3

2009

5.6

1989

6.9

1971

6.4

2021

5.4

2001

8.5

1990

6.2

2003

6.7

1995

6.0

1967

7.3