1979

7.8

2004

7.5

1974

4.8

1990

4.6

2000

4.7

2000

6.4

2001

5.8

2003

6.0

2006

5.5

2019

6.2

2009

4.2

2024

10.0

1996

6.4

2005

7.1

1973

7.0

1999

4.4

2009

7.3

1964

7.2

2022

4.6

1981

5.3