2007

6.8

1997

7.6

1998

7.3

1990

6.7

2007

7.2

2014

2.0

1985

7.5

1950

9.0

2003

6.6

2019

5.9

2022

9.0

2023

7.2

2002

6.7

2003

6.0

2013

5.9

2024

10.0

1955

5.0

1991

5.8

2023

6.7

2008

6.5