NSID Analysis of Sightings and Categories

587 with BB numbers
1050 BBUs without numbers
1637 Total BBUs
280 Nuclear Connections

Counts by Year

Year Count Year Count Year Count Year Count Year Count Year Count
unknown 2 1915 1 1942 21 1963 70 1984 83 2005 6
1860 1 1916 3 1943 20 1964 68 1985 4 2006 1
1868 1 1918 1 1944 70 1965 138 1986 10 2007 0
1872 1 1921 1 1945 65 1966 298 1987 11 2008 1
1877 1 1922 3 1946 11 1967 712 1988 14 2009 0
1879 1 1923 2 1947 102 1968 95 1989 24 2010 0
1880 3 1924 2 1948 102 1969 27 1990 19 2011 0
1881 1 1926 3 1949 125 1970 18 1991 10    
1884 1 1927 1 1950 142 1971 39 1992 9    
1885 1 1928 2 1951 101 1972 45 1993 11    
1886 1 1929 4 1952 551 1973 241 1994 17    
1887 1 1931 2 1953 171 1974 80 1995 6    
1896 1 1932 5 1954 187 1975 171 1996 3    
1897 36 1933 5 1955 108 1976 102 1997 4    
1900 2 1934 2 1956 100 1977 182 1998 3    
    1935 2 1957 206 1978 226 1999 2    
1904 2 1937 5 1958 108 1979 146 2000 3    
1908 2 1938 5 1959 106 1980 82 2001 2    
1909 7 1939 3 1960 60 1981 115 2002 9    
1910 2 1940 3 1961 70 1982 118 2003 6    
1914 4 1941 5 1962 64 1983 67 2004 1    

Total Entries 5,920 as of 11/30/12

Counts by Category

CAT 1 1907
CAT 2 1260
CAT 3 440
CAT 4 227
CAT 5 60
CAT 6 111
CAT 7 385
CAT 8 162
CAT 9 624
CAT 10 36
CAT 11 708
Total 5920

 

 

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