1990

7.4

1992

6.8

1997

5.3

2023

0.0

2024

0.0

2024

5.5

2015

7.5

2010

4.6

2005

4.9

1972

3.0

2002

4.8

1984

4.8

1982

5.8

1969

4.0

1992

0.0

1977

4.6

1985

5.0

2009

6.4

2020

0.0

1949

6.9