2013

7.7

2021

6.9

2003

6.2

1964

7.1

1966

6.1

6.1

1985

6.4

1969

6.9

1991

7.0

1984

6.7

2012

4.3

2000

6.9

1965

8.0

1963

7.4

1953

4.5

2021

5.6

2017

7.3

2015

5.9

1966

6.9

2006

4.1