1963

6.0

1965

6.6

2017

4.9

2022

6.1

1990

5.0

1994

5.6

2019

6.7

2000

6.8

1989

5.7

2018

6.8

1978

7.2

1973

7.4

2019

6.5

2003

5.2

2024

8.0

2006

7.4

1990

0.0

1989

4.0

1983

2.7

1999

7.4