1991

7.6

1961

8.0

2001

7.5

2004

7.2

1993

5.5

2005

6.9

2002

7.6

2020

5.4

1990

2.5

1994

7.0

1966

7.3

1999

7.0

2006

6.0

2008

6.6

2001

6.3

2002

7.0

1965

8.5

2021

7.0

2007

3.4

1987

7.1