may limit the period for which they had brought

1916 0.230308 4.342006 20.0069% 1915 0.668986 1.494801 9.1939% 1914 0.341168 2.931104 2.3510% 1913 0.070074 14.270694 YEAR: 1987 2010 2.445686 0.408883 4% Est. 2009 1.423312 0.702587 4% Est. 2007 19.192052 0.052105 4% Est. 2004 20.261278 0.049355 4% Est. 1997 24.634932 0.040593 4% Est. 1994 8.710038 0.114810 4% Est. 2007 30.388471 0.032907 4% Est. 1994 19.161700 0.052187 4% Est. 1996 2.796060 0.357646 4% Est. 1989 4.483943 0.223018 3.8744% 1988 9.626721 0.103878 3.3218% 1987 7.673208 0.130324 3.1640% 1986 3.910674 0.255710 2.6144% 1985 2.384949 0.419296 2.9715% 1984 0.600546 1.665152 3.6576% 1983 14.233244 0.070258 3.8998% 1982 0.851786 1.174003 6.3831% 1981 2.946740 0.339358 9.6843% 1980 11.580988 0.086348 9.0330% 1979 11.558961 0.086513 8.8650% 1978 0.595217 1.680060 7.2813% 1977 4.486673 0.222882 6.6558% 1976 8.412871 0.118865 6.4073% 1975 0.821335 1.217530 9.8159% 1974 1.730757 0.577782 9.0909% 1973 1.464482 0.682835 6.4509% 1972 6.118592 0.163436 4.7304% 1971 0.167255 5.978912 5.7132% 1970 1.779652 0.561908 5.5272% 1969 0.149929 6.669840 5.5714% 1968 5.094533 0.196289 5.0148% 1967 4.851254 0.206132 2.5719% 1966 5.147032 0.194287 3.5485% 1965 2.682480 0.372789 2.7360% 1964 4.838275 0.206685 1.5423% 1963 0.311842 3.206750 1.5697% 1962 2.773971 0.360494 2.2421% 1961 2.418684 0.413448 0.9709% 1960 0.125899 7.942864 1.6442% 1959 0.952996 1.049322 2.3579% 1958 0.260984 3.831652 2.0623% 1957 1.141169 0.876294 3.5571%

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