1999

7.5

2004

6.7

2005

4.9

1971

3.7

2006

7.4

1972

3.5

2022

7.4

1968

3.5

1973

5.2

1930

6.8

2010

1.9

1976

5.3

1982

6.2

2024

7.5

1977

5.6

1997

3.7

1989

6.7

1980

5.7

2017

6.1

2002

6.4