1995

7.0

2003

6.5

1984

8.4

2002

6.9

2003

7.7

1999

7.5

1955

7.3

2005

7.0

2014

4.7

2013

5.4

1992

4.0

2006

6.7

2022

6.6

2006

5.8

1978

5.9

1960

7.2

1925

6.7

1962

7.4

1953

7.1

2012

5.2