1999

6.8

1984

6.2

1985

7.7

2006

6.6

2004

6.3

1991

7.1

1994

7.4

2003

7.2

2001

6.9

2025

10.0

1990

6.5

2003

8.2

1992

7.4

2014

4.7

1975

4.0

1999

7.1

2010

1.0

1987

7.1

1915

4.5

2003

7.1