????:1????:??????????

2?????

3????????

4???????????????

5????????

???2?18???????????? ???18????,1???????????,?3.69?????,???12.1%?

?,????,????????????????,?????2.75??,??74.6%,????10.6%?????1446.17?????????,??????17.6%,?????971????,?????18.9%?

????????,1????,??4.23??????,??2884.72??????????????,??3.27?????????,????2664.89???????????????,?????0.77???????0.48???,????????10.9%??17.5%?

?????????,1???????????,?439????,?????3.7%,???????????18.3?????(?) ?????:????