GSID Analysis of Sightings and Categories

583	with BB numbers
1034	BBUs without numbers
1617	Total BBUs
291	Nuclear Connections

Counts by Year Year Count Year Count Year Count Year Count Year Count Year Count unknown 2 1915 1 1942 21 1963 66 1984 83 2005 6 1860 1 1916 4 1943 20 1964 68 1985 4 2006 1 1868 1 1918 1 1944 73 1965 93 1986 11 2007 0 1872 1 1921 1 1945 62 1966 293 1987 10 2008 0 1877 1 1922 3 1946 11 1967 706 1988 14     1879 1 1923 1 1947 96 1968 93 1989 24     1880 3 1924 1 1948 105 1969 27 1990 19     1881 1 1926 3 1949 124 1970 18 1991 10     1884 1 1927 1 1950 143 1971 38 1992 9     1885 1 1928 2 1951 102 1972 44 1993 12     1886 1 1929 4 1952 521 1973 241 1994 17     1887 1 1931 2 1953 153 1974 74 1995 4     1896 1 1932 5 1954 183 1975 167 1996 3     1897 36 1933 5 1955 96 1976 101 1997 4     1902 1 1934 2 1956 89 1977 181 1998 3     1903 1 1935 2 1957 194 1978 225 1999 2     1904 2 1937 5 1958 98 1979 145 2000 3     1908 2 1938 5 1959 105 1980 82 2001 2     1909 7 1939 3 1960 58 1981 114 2002 8     1910 2 1940 3 1961 68 1982 118 2003 6     1914 4 1941 5 1962 62 1983 66 2004 1     Total Entries 5,730 as of 3/16/08

Counts by Category CAT 1 2122 CAT 2 1256 CAT 3 432 CAT 4 227 CAT 5 59 CAT 6 111 CAT 7 377 CAT 8 158 CAT 9 343