1990

7.8

2003

7.6

1994

7.4

1987

7.1

1971

6.4

1973

7.5

1968

4.2

1996

6.7

1980

6.0

2021

8.0

2024

0.0

1983

0.0

1995

6.5

1961

8.1

2002

6.9

1975

6.6

1994

6.8

2022

0.0

2019

10.0

2023

0.0