1975

7.8

1990

6.3

2013

5.0

2006

6.7

2000

7.8

2019

7.0

1965

7.2

2024

10.0

2004

7.1

1996

6.3

2005

7.2

1999

7.1

1996

7.6

2009

7.8

1994

6.6

2020

6.4

2019

6.2

2005

5.8

1995

5.4

2024

6.9