2005

7.5

1998

8.3

2017

5.8

1999

6.8

1985

7.7

2001

7.2

2006

6.6

2004

6.3

2022

7.4

2007

7.2

1991

7.1

1997

5.7

1999

8.5

1989

6.3

1994

7.4

1980

5.0

1928

6.9

1962

7.5

1967

7.7

1986

7.5