1973

6.9

2021

6.0

2005

6.8

1996

7.7

1994

5.8

1999

6.4

2013

6.5

1964

7.2

2019

6.5

1964

7.1

2005

6.5

2020

1.0

2022

5.4

1960

8.4

1947

6.4

2004

4.8

1999

6.8

2024

5.1

2005

6.4

2013

5.4