2003

7.1

2003

6.7

1971

6.4

1927

8.1

1953

4.6

1989

5.8

1999

5.3

2000

6.8

1990

6.2

1988

5.5

1990

6.1

2009

6.9

2017

6.1

2014

6.5

1995

7.0

2008

5.7

2006

6.5

1984

5.5

2017

7.4

1992

5.4