??�????????????�

????:???????????:????????????

????8????2???????? ???2????,??????�?????????????�????????????????????,????5?,????????????????70%?

??????????,2023???66.16%,??????�??????????�????????????????????,????????,19781995???,?0.7???????????????;19962020??????????????????????,????1.4????????????;�????????????????�??,????,????????0.76??????,???

?????????????????????,?,?????????????4.77?;?????????????1.69????,??????????22.8%,????????1/4;???????2.39???????????,???????,??????????????????5????,??????????70%?

??????,?????,?????????????????

?????????????,????,???????,???,????,??????????????????????,?????????????????1??,??????????????????2000??????????

?????????????,????????????????????,????????????????????????1????,????????????,??,???????????????????????????????????????????????????? ????????:?????