1998

6.1

2006

7.7

2007

6.4

2022

6.3

1997

7.7

1989

6.0

2019

5.9

2014

7.5

2005

7.0

2002

7.4

1984

7.2

1999

7.6

2007

6.5

1934

7.8

1990

6.2

1993

7.6

2007

5.0

2005

6.8

1995

5.1

1985

6.5