1991

4.2

1992

6.7

1996

7.8

2018

7.5

2023

6.8

2011

7.5

1964

5.3

1995

7.5

1986

6.2

1966

6.4

2006

7.4

1999

6.6

1958

6.7

2018

3.4

2019

8.3

2019

6.6

2022

7.3

2000

8.2

2005

7.4

1983

7.3