2003

7.4

2002

6.6

1999

7.4

2002

7.1

1948

7.9

2006

6.4

2001

7.1

1996

5.7

1999

5.3

2022

8.0

2004

6.3

2003

4.6

1968

7.4

1968

0.0

1926

0.0

2015

6.2

1990

7.0

2014

6.1

2025

7.0

1997

5.6