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
13610
13609
13608
13607
13606
13605
13604
13603
13602
13601
13600
13599
13598
13597
13596
13595
13594
13593
13592
13591
13590