1987

7.8

1990

7.7

2002

6.7

2003

7.1

2008

5.7

1938

7.0

2008

6.4

2012

10.0

2011

8.2

1996

5.9

2007

6.3

1999

4.8

1978

7.0

2022

6.5

2009

5.9

1946

6.4

1994

5.4

2020

1.0

1994

5.6

1998

6.8