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BAAVSS Archive 13 May 2001

year    total  objects  observers
1888        2        1          1
1889        2        1          1
1890        5        3          1
1891      311       31          1
1892      118       22          2
1893      630       33          2
1894      422       33          2
1895      324       37          4
1896       48        9          3
1897        0        0          0
1898        0        0          0
1899      267       20          3
1900     1019       26         11
1901     1623       28         14
1902     1006       27         10
1903      569       28          7
1904      949       28         11
1905      677       23         11
1906     2924       25         17
1907     4383       26         20
1908     4520       26         17
1909     4331       26         12
1910     2693       29         17
1911     3051       31         21
1912     3844       32         24
1913     4860       32         22
1914     5368       37         24
1915     5455       37         20
1916     5517       37         25
1917     6313       38         22
1918     6699       42         18
1919     6882       45         23
1920     8949       50         32
1921    10303       52         31
1922     8888       56         31
1923    10470       56         39
1924    12668       57         43
1925    13781       57         37
1926    15718       60         38
1927    14263       60         37
1928    14673       60         41
1929    14357       61         33
1930    10681       60         29
1931    13143       61         30
1932    12794       61         29
1933    15005       62         34
1934    13546       64         44
1935     8381       46         50
1936     6613       45         35
1937     7528       46         31
1938     7929       36         31
1939     8638       50         23
1940     5742       46         18
1941     1294       45         11
1942     1246       42         12
1943     2262       46          8
1944     2670       47          9
1945     5141       49         12
1946     9494       51         22
1947     1543       31         11
1948     4656       51         14
1949     1774       23         11
1950     3606       53         12
1951     4035       52         17
1952     3944       53         13
1953     4278       53         16
1954     3789       52         13
1955     4563       52         12
1956     2552       51         10
1957     2499       53         15
1958     2658       52         22
1959     4888       54         32
1960     3830       54         45
1961     4798       52         47
1962     5206       55         42
1963     6355       61         53
1964     6333       64         44
1965     6492       64         36
1966     5405       69         43
1967     8338       73         53
1968     9404       76         59
1969     9048       82         68
1970     9151       84        104
1971    19997      205        104
1972    16841      196         95
1973    27228      150        129
1974    26990      156        106
1975    23622      143         93
1976    18222      146         91
1977    12918      145         85
1978    13148      146         76
1979    15668      151         74
1980    18307      141         74
1981    22081      175         93
1982    25391      189         97
1983    28025      191        104
1984    34486      191         92
1985    29093      191         80
1986    40883      189         79
1987    41128      203         90
1988    38793      199         94
1989    30906      209         88
1990    26106      206         76
1991    30679      340         75
1992    25276      354         77
1993    35553      372         85
1994    39906      404         74
1995    44153      452         82
1996    38140      595         69
1997    41162      649         67
1998    54415      720         85
1999    58050      759         69
2000    52092      709         51
       total 1379393 observations


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