经度指数

强年(>1)

1951

1953

1957

1959

1961

1964

1972

1990

2003

2014

弱年(<–1)

1973

1978

1979

1988

2002

2004

2009

2011

2016

纬度指数

强年(>1)

1950

1955

1956

1960

1966

1969

1970

1971

1974

1977

2001

2005

2006

2010

2012

弱年(<–1)

1949

1973

1978

1979

1982

1983

1989

1992

1993

1997

1998

2002

2004

2007

2015