1998

5.9

1972

6.8

1999

7.7

2013

7.7

1992

7.0

1966

4.6

2021

7.2

2015

7.4

2009

6.5

1984

6.4

2011

7.6

1972

4.6

1975

0.0

1992

5.4

1990

7.5

2009

8.0

2015

0.0

1993

7.0

2021

0.0

1964

7.7