1992

5.1

1990

5.7

1989

5.3

1960

7.3

2002

6.3

1998

5.4

0.0

2002

6.5

2013

5.7

2025

5.4

1993

5.5

1989

6.9

1991

6.3

1961

5.0

2004

7.6

1999

7.1

2007

6.1

2015

8.0

1932

6.0

2018

6.1