1998

4.3

2015

4.2

1988

4.8

1973

5.4

2017

4.0

2020

3.0

1998

7.3

1963

3.8

1966

2.5

1964

2.7

2023

0.0

1964

4.6

2024

0.0

1998

4.9

2003

1.0

1986

0.0

2006

6.5

1965

2.5

1931

5.5

1970

6.6