1964

7.6

2000

5.5

2008

7.4

2012

6.0

1964

7.4

2002

8.3

2016

7.2

2013

8.0

2021

9.2

1993

5.6

2022

4.0

2013

8.1

2005

8.6

1972

7.7

2011

7.3

2013

5.8

2003

6.1

1911

4.0

2009

5.3