1962

6.9

1964

7.0

2014

4.0

1999

7.0

2019

4.8

2004

7.3

1986

5.6

2023

6.4

2019

3.3

1995

6.9

1991

5.2

2014

5.7

2022

4.3

2008

5.6

1976

7.2

2006

7.6

2001

6.1

1985

6.6

2000

6.7

2020

4.9