2003

7.4

1997

5.0

2000

7.4

2016

0.0

1984

8.0

1969

6.8

1958

6.7

2023

7.0

1989

8.2

2013

3.0

2013

6.6

2018

7.1

2018

8.2

2020

6.6

1984

7.6

1986

7.9

1991

4.2

1998

7.8

1998

7.1

1973

6.9