1996Mid-year3220000.050.03215500.050.06435500.01996Year-end3229400.049.93237200.050.16466600.01997Mid-year3235400.049.93253900.050.16489300.01997Year-end3242000.049.73274700.050.36516700.01998Mid-year3249900.049.73293800.050.36543700.01998Year-end3260700.049.53322700.050.56583400.01999Mid-year3264700.049.43341800.050.66606500.01999Year-end3271000.049.33366600.050.76637600.02000Mid-year3276500.049.23388500.050.86665000.02000Year-end3288500.049.03423000.051.06711500.02001Mid-year3282000.048.93432300.051.16714300.02001Year-end3282900.048.83447400.051.26730300.02002Mid-year3279600.048.63464500.051.46744100.02002Year-end3267000.048.63458800.051.46725800.02003Mid-year3259100.048.43471700.051.66730800.02003Year-end3266700.048.33497500.051.76764200.02004Mid-year3266800.048.23516700.051.86783500.02004Year-end3266500.048.13531200.051.96797700.02005Mid-year3264000.047.93549200.052.16813200.02005Year-end3268000.047.83569800.052.26837800.02006Mid-year3270100.047.73587000.052.36857100.02006Year-end3285500.047.63618800.052.46904300.02007Mid-year3283900.047.53632400.052.56916300.02007Year-end3287600.047.43650800.052.66938400.02008Mid-year3290200.047.33667600.052.76957800.02008Year-end3288900.047.23675000.052.86963900.02009Mid-year3284800.047.13688000.052.96972800.02009Year-end3289200.047.03707200.053.06996400.02010Mid-year3294300.046.93729900.053.17024200.02010Year-end3300700.046.83751400.053.27052100.02011Mid-year3303000.046.73768600.053.37071600.02011Year-end3314300.046.63795200.053.47109500.02012Mid-year3327300.046.53822800.053.57150100.02012Year-end3332100.046.53838900.053.57171000.02013Mid-year3329900.046.43849000.053.67178900.02013Year-end3340500.046.33870400.053.77210900.02014Mid-year3344500.046.33885000.053.77229500.02014Year-end3352000.046.23900900.053.87252900.02015Mid-year3365600.046.23925700.053.87291300.02015Year-end3368600.046.13941100.053.97309700.02016Mid-year3375400.046.03961200.054.07336600.02016Year-end3389800.046.03987300.054.07377100.02017Mid-year3392500.045.93999200.054.17391700.02017Year-end3398200.045.84014900.054.27413100.02018Mid-year3410300.045.84040700.054.27451000.02018Year-end3421100.045.74065300.054.37486400.02019Mid-year3423000.045.64084400.054.47507400.02019Year-end3431800.045.64089000.054.47520800.02020Mid-year #3427200.045.64082000.054.47509200.0