1988

4.9

2003

7.4

2017

5.7

1969

6.8

2022

0.0

2005

6.8

1964

7.3

1979

8.0

1970

7.1

2007

7.2

2017

6.3

1999

6.2

2003

6.6

1997

7.1

1991

6.5

2006

6.7

2002

5.8

2017

6.9

1992

7.0

1992

6.6