2003

8.2

2003

7.2

1992

7.4

2004

6.3

1915

4.5

2001

5.9

1991

7.1

1994

7.4

1996

8.0

1990

6.5

1999

7.1

2010

1.0

1999

6.8

1985

7.7

1969

4.8

2025

10.0

1962

7.6

2017

7.0

2014

3.0

2007

5.6