2003

5.6

2007

7.5

2025

1.0

2015

5.0

2002

7.3

1968

3.7

1990

4.0

2007

5.9

1989

6.6

1933

6.1

0.0

1971

7.5

2001

6.1

2000

6.3

1985

6.4

1986

5.8

2001

6.9

1997

6.9

2001

4.5

1949

5.8