1993

5.1

1997

7.5

1964

7.2

2002

7.6

2006

8.8

1966

7.6

1965

7.9

1981

7.1

1985

7.7

2005

0.0

2021

6.7

2016

7.5

2004

7.9

1961

7.7

2007

7.9

1974

7.3

1975

7.4

2019

8.0

1979

5.0

1968

6.6