1996

8.0

2009

4.8

1983

5.8

1989

5.1

2000

7.1

2004

4.7

2003

4.9

2022

6.3

1939

6.1

1999

5.3

1931

5.8

1986

5.7

2004

6.6

2007

7.0

1983

7.0

2012

9.3

2007

7.5

1992

7.2

2007

4.9

1966

7.3