1985

6.7

2022

5.8

1993

5.5

2000

8.5

1981

3.0

2018

0.0

2008

6.5

2018

5.7

1990

6.5

1992

6.0

1968

6.6

2001

6.4

2002

5.3

2009

6.9

2000

7.8

2003

5.1

2018

3.3

1932

6.9

2000

7.0

1989

7.8