1993

6.9

1984

6.7

1985

6.6

1992

6.7

1994

6.5

1990

6.2

2005

7.7

1993

6.9

1995

8.5

1956

7.1

1999

6.8

2014

7.8

2005

5.8

2024

6.4

1996

6.3

1995

7.3

2009

7.2

2024

0.0

1995

5.2

1997

6.5