1997

6.6

2016

3.0

1998

6.9

2002

6.1

1997

6.8

1997

6.8

1964

6.2

1991

6.3

2007

6.4

1914

6.0

2021

4.1

2007

6.7

1988

7.8

2001

7.5

2001

7.8

2002

7.4

1966

2.7

1980

5.3

2024

0.0

1996

6.7