1 19360120 B15 144.1 .084 2 19430302 B15 128.6 .107 3 19451121 B15 189.5 .051 4 19500829 B15 218.3 .187 5 19580820 B15 504.0 .290 6 19590126 B15 592.4 .098 7 19610207 B15 643.9 .089 8 19610315 B15 662.9 .058 9 19710118 B15 847.82 .106 10 19710224 B15 875.62 .071 11 19750226 B15 728.1 .188 12 19750320 B15 764.0 .132 13 19800826 B15 953.41 .035 14 19870227 B15 2223.99 .082 15 19870313 B15 2258.66 .065 16 19890822 B15 2650.99 .045 17 19950417 B15 4195.38 .323 18 19970124 B15 6696.48 .024 19 19980327 B15 8796.08 .043 20 19990514 B15 10913.32 .020 21 20061031 B15 12080.73 .026 22 20120229 B15 12952.07 .013