1993

7.7

1996

7.7

1962

7.6

1967

7.0

1991

7.7

2007

7.9

2004

7.4

1968

6.5

2017

7.3

2018

6.4

2019

6.4

1998

7.2

2000

6.5

1999

6.7

1958

6.6

2004

6.1

2007

7.5

1965

0.0

2021

7.1

2022

8.2