Year by Year Summary

YearTotal BuiltIdentified(Seen)Identified %Seen %
19484801153(57)3.2%1.2%
19475310168(80)3.2%1.5%
19464535299(91)6.6%2%
19453474190(65)5.5%1.9%
19443425304(100)8.9%2.9%
19433617227(86)6.3%2.4%
19423094229(75)7.4%2.4%
19413279245(95)7.5%2.9%
19402673216(94)8.1%3.5%
19392195360(102)16.4%4.6%
19383001238(74)7.9%2.5%
19373689248(108)6.7%2.9%
19363229334(81)10.3%2.5%
19353268220(95)6.7%2.9%
19343595407(104)11.3%2.9%
19332494239(61)9.6%2.4%
19323001167(60)5.6%2%
19314272268(112)6.3%2.6%
19304474409(102)9.1%2.3%
19293275303(82)9.3%2.5%
19283133235(62)7.5%2%
19275746257(88)4.5%1.5%
19264573182(57)4%1.2%
1925210873(24)3.5%1.1%
1924211720(17)0.9%0.8%
1923205260(27)2.9%1.3%
1922108129(19)2.7%1.8%
192191095(23)10.4%2.5%
1920133619(17)1.4%1.3%
1919106240(20)3.8%1.9%
191846220(10)4.3%2.2%
191759815(9)2.5%1.5%
19161814(3)2.2%1.7%
19151624(4)2.5%2.5%
19142265(5)2.2%2.2%
19132568(8)3.1%3.1%
19121522(2)1.3%1.3%
19112104(4)1.9%1.9%
19101856(5)3.2%2.7%
19091352(1)1.5%0.7%
19081562(1)1.3%0.6%
19073987(6)1.8%1.5%
19062094(2)1.9%1%
19051325(5)3.8%3.8%
19041788(6)4.5%3.4%
19032823(3)1.1%1.1%
190221811(9)5%4.1%
19011823(3)1.6%1.6%
19004129(9)2.2%2.2%
18993686(6)1.6%1.6%
18983486(6)1.7%1.7%