Previous Annual Index     Daily Index    Next
vis_survey_1997_04_21_04_08 map vis_1997_04_21_04_08_37_ec.html vis_1997_04_21_04_09_37_ec.html vis_1997_04_21_04_10_37_ec.html vis_1997_04_21_04_11_37_ec.html vis_1997_04_21_04_12_38_ec.html vis_1997_04_21_04_13_38_ec.html vis_1997_04_21_04_14_38_ec.html vis_1997_04_21_04_15_38_ec.html vis_1997_04_21_04_16_38_ec.html vis_1997_04_21_04_17_38_ec.html vis_1997_04_21_04_18_38_ec.html vis_1997_04_21_04_19_38_ec.html vis_1997_04_21_04_20_38_ec.html vis_1997_04_21_04_21_39_ec.html vis_1997_04_21_04_22_39_ec.html vis_1997_04_21_04_23_39_ec.html vis_1997_04_21_04_24_39_ec.html vis_1997_04_21_04_25_39_ec.html vis_1997_04_21_04_26_39_ec.html vis_1997_04_21_04_27_39_ec.html vis_1997_04_21_04_28_39_ec.html vis_1997_04_21_04_29_40_ec.html vis_1997_04_21_04_30_40_ec.html vis_1997_04_21_04_31_40_ec.html vis_1997_04_21_04_32_40_ec.html vis_1997_04_21_04_33_40_ec.html vis_1997_04_21_04_34_40_ec.html vis_1997_04_21_04_35_40_ec.html vis_1997_04_21_04_36_40_ec.html vis_1997_04_21_04_37_40_ec.html vis_1997_04_21_04_38_40_ec.html vis_1997_04_21_04_39_41_ec.html vis_1997_04_21_04_40_41_ec.html vis_1997_04_21_04_41_41_ec.html vis_1997_04_21_04_42_41_ec.html vis_1997_04_21_04_43_41_ec.html vis_1997_04_21_04_44_41_ec.html vis_1997_04_21_04_45_41_ec.html vis_1997_04_21_04_46_41_ec.html vis_1997_04_21_04_47_41_ec.html vis_1997_04_21_04_48_41_ec.html vis_1997_04_21_04_49_42_ec.html vis_1997_04_21_04_50_42_ec.html vis_1997_04_21_04_51_42_ec.html vis_1997_04_21_04_52_42_ec.html vis_1997_04_21_04_53_42_ec.html vis_1997_04_21_04_54_42_ec.html vis_1997_04_21_04_55_42_ec.html vis_1997_04_21_04_56_42_ec.html vis_1997_04_21_04_57_43_ec.html vis_1997_04_21_04_58_43_ec.html vis_1997_04_21_04_59_43_ec.html vis_1997_04_21_05_00_43_ec.html vis_1997_04_21_05_01_43_ec.html vis_1997_04_21_05_02_43_ec.html vis_1997_04_21_05_03_43_ec.html vis_1997_04_21_05_04_43_ec.html vis_1997_04_21_05_05_43_ec.html vis_1997_04_21_05_06_44_ec.html vis_1997_04_21_05_07_44_ec.html vis_1997_04_21_05_08_44_ec.html vis_1997_04_21_05_09_44_ec.html vis_1997_04_21_05_10_44_ec.html vis_1997_04_21_05_11_44_ec.html vis_1997_04_21_05_12_44_ec.html vis_1997_04_21_05_13_44_ec.html vis_1997_04_21_05_14_44_ec.html vis_1997_04_21_05_15_44_ec.html vis_1997_04_21_05_16_45_ec.html vis_1997_04_21_05_17_45_ec.html vis_1997_04_21_05_18_45_ec.html vis_1997_04_21_05_19_45_ec.html vis_1997_04_21_05_20_45_ec.html vis_1997_04_21_05_21_45_ec.html vis_1997_04_21_05_22_45_ec.html vis_1997_04_21_05_23_45_ec.html vis_1997_04_21_05_24_45_ec.html vis_1997_04_21_05_25_46_ec.html vis_1997_04_21_05_26_46_ec.html vis_1997_04_21_05_27_46_ec.html
Previous Annual Index     Daily Index    Next