|
|
JAN. |
FEB. |
MARCH |
APRIL |
MAY |
JUNE |
JULY |
AUG. |
SEPT. |
OCT. |
NOV. |
DEC. |
|
1972 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1973 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1974 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1975 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1976 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1977 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1978 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1979 |
|
X |
X |
X |
X |
X |
|
X |
X |
X |
X |
|
|
1980 |
X |
X |
|
X |
|
X |
X |
X |
X |
X |
X |
|
|
1981 |
|
|
|
|
|
|
|
|
|
X |
|
|
|
1982 |
|
|
X |
X |
X |
X |
|
X |
X |
|
X |
X |
|
1983 |
X |
X |
X |
X |
|
X |
X |
X |
|
|
X |
X |
|
1984 |
X |
X |
X |
X |
X |
X |
|
X |
|
|
|
|
|
1985 |
|
X |
X |
|
X |
|
|
|
|
X |
X |
X |
|
1986 |
|
|
|
|
X |
X |
X |
X |
|
|
|
|
|
1987 |
|
|
|
|
X |
|
|
|
|
X |
X |
|
|
1988 |
|
|
X |
|
|
X |
X |
X |
|
X |
X |
X |
|
1989 |
X |
X |
|
X |
|
|
|
|
|
X |
X |
X |
|
1990 |
X |
|
|
X |
X |
X |
|
X |
|
X |
X |
X |
|
1991 |
|
|
X |
X |
|
X |
|
X |
|
|
X |
|
|
1992 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
|
1993 |
|
X |
X |
X |
X |
X |
X |
X |
|
X |
|
X |
|
1994 |
X |
X |
X |
X |
|
X |
X |
|
X |
X |
|
X |
|
1995 |
|
X |
X |
X |