1995

7.1

2000

2.0

1999

7.3

2019

6.7

1984

6.7

2002

6.6

2003

7.8

2021

6.4

2021

8.5

2012

7.7

1983

6.3

1972

6.9

1992

7.5

1982

6.3

2002

8.2

1996

7.9

1994

7.1

2024

6.8

2008

6.9

2009

8.0