Y \ X
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
9830
9829
9828
9827
9826
9825
9824
9823
9822
9821
9820
9819
9818
9817
9816
9815
9814
9813
9812
9811
9810